Fertility and life expectancy

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//datasetti
var dataset = [{
	"cz": [
		{ "year": 2002, "fertility": 1.17, "lifeexpectancy": 75.4 },
		{ "year": 2003, "fertility": 1.18, "lifeexpectancy": 75.3 },
		{ "year": 2004, "fertility": 1.23, "lifeexpectancy": 75.9 },
		{ "year": 2005, "fertility": 1.29, "lifeexpectancy": 76.1 },
		{ "year": 2006, "fertility": 1.34, "lifeexpectancy": 76.7 },
		{ "year": 2007, "fertility": 1.45, "lifeexpectancy": 77 },
		{ "year": 2008, "fertility": 1.51, "lifeexpectancy": 77.3 },
		{ "year": 2009, "fertility": 1.51, "lifeexpectancy": 77.4 },
		{ "year": 2010, "fertility": 1.51, "lifeexpectancy": 77.7 },
		{ "year": 2011, "fertility": 1.43, "lifeexpectancy": 78 },
		{ "year": 2012, "fertility": 1.45, "lifeexpectancy": 78.1 },
		{ "year": 2013, "fertility": 1.46, "lifeexpectancy": 78.3 }
	],
	"den": [
		{ "year": 2002, "fertility": 1.72, "lifeexpectancy": 77.1 },
		{ "year": 2003, "fertility": 1.76, "lifeexpectancy": 77.4 },
		{ "year": 2004, "fertility": 1.78, "lifeexpectancy": 77.8 },
		{ "year": 2005, "fertility": 1.8, "lifeexpectancy": 78.3 },
		{ "year": 2006, "fertility": 1.85, "lifeexpectancy": 78.4 },
		{ "year": 2007, "fertility": 1.84, "lifeexpectancy": 78.4 },
		{ "year": 2008, "fertility": 1.89, "lifeexpectancy": 78.8 },
		{ "year": 2009, "fertility": 1.84, "lifeexpectancy": 79 },
		{ "year": 2010, "fertility": 1.87, "lifeexpectancy": 79.3 },
		{ "year": 2011, "fertility": 1.75, "lifeexpectancy": 79.9 },
		{ "year": 2012, "fertility": 1.73, "lifeexpectancy": 80.2 },
		{ "year": 2013, "fertility": 1.67, "lifeexpectancy": 80.4 }
	],	
	"ger": [
		{ "year": 2002, "fertility": 1.34, "lifeexpectancy": 78.6 },
		{ "year": 2003, "fertility": 1.34, "lifeexpectancy": 78.6 },
		{ "year": 2004, "fertility": 1.36, "lifeexpectancy": 79.3 },
		{ "year": 2005, "fertility": 1.34, "lifeexpectancy": 79.4 },
		{ "year": 2006, "fertility": 1.33, "lifeexpectancy": 79.9 },
		{ "year": 2007, "fertility": 1.37, "lifeexpectancy": 80.1 },
		{ "year": 2008, "fertility": 1.38, "lifeexpectancy": 80.2 },
		{ "year": 2009, "fertility": 1.36, "lifeexpectancy": 80.3 },
		{ "year": 2010, "fertility": 1.39, "lifeexpectancy": 80.5 },
		{ "year": 2011, "fertility": 1.36, "lifeexpectancy": 80.8 },
		{ "year": 2012, "fertility": 1.38, "lifeexpectancy": 81 },
		{ "year": 2013, "fertility": 1.4, "lifeexpectancy": 80.9 }
	],	
	"ee": [
		{ "year": 2002, "fertility": 1.36, "lifeexpectancy": 71.4 },
		{ "year": 2003, "fertility": 1.37, "lifeexpectancy": 71.9 },
		{ "year": 2004, "fertility": 1.47, "lifeexpectancy": 72.4 },
		{ "year": 2005, "fertility": 1.52, "lifeexpectancy": 73 },
		{ "year": 2006, "fertility": 1.58, "lifeexpectancy": 73.2 },
		{ "year": 2007, "fertility": 1.69, "lifeexpectancy": 73.2 },
		{ "year": 2008, "fertility": 1.72, "lifeexpectancy": 74.4 },
		{ "year": 2009, "fertility": 1.7, "lifeexpectancy": 75.3 },
		{ "year": 2010, "fertility": 1.72, "lifeexpectancy": 76 },
		{ "year": 2011, "fertility": 1.61, "lifeexpectancy": 76.6 },
		{ "year": 2012, "fertility": 1.56, "lifeexpectancy": 76.7 },
		{ "year": 2013, "fertility": 1.52, "lifeexpectancy": 77.5 }
	],	
	"spa": [
		{ "year": 2002, "fertility": 1.25, "lifeexpectancy": 79.8 },
		{ "year": 2003, "fertility": 1.3, "lifeexpectancy": 79.7 },
		{ "year": 2004, "fertility": 1.31, "lifeexpectancy": 80.4 },
		{ "year": 2005, "fertility": 1.33, "lifeexpectancy": 80.3 },
		{ "year": 2006, "fertility": 1.36, "lifeexpectancy": 81.1 },
		{ "year": 2007, "fertility": 1.38, "lifeexpectancy": 81.1 },
		{ "year": 2008, "fertility": 1.45, "lifeexpectancy": 81.5 },
		{ "year": 2009, "fertility": 1.38, "lifeexpectancy": 81.9 },
		{ "year": 2010, "fertility": 1.37, "lifeexpectancy": 82.4 },
		{ "year": 2011, "fertility": 1.34, "lifeexpectancy": 82.6 },
		{ "year": 2012, "fertility": 1.32, "lifeexpectancy": 82.5 },
		{ "year": 2013, "fertility": 1.27, "lifeexpectancy": 83.2 }
	],	
	"mal": [
		{ "year": 2002, "fertility": 1.45, "lifeexpectancy": 78.8 },
		{ "year": 2003, "fertility": 1.48, "lifeexpectancy": 78.7 },
		{ "year": 2004, "fertility": 1.4, "lifeexpectancy": 79.4 },
		{ "year": 2005, "fertility": 1.38, "lifeexpectancy": 79.4 },
		{ "year": 2006, "fertility": 1.36, "lifeexpectancy": 79.5 },
		{ "year": 2007, "fertility": 1.35, "lifeexpectancy": 79.9 },
		{ "year": 2008, "fertility": 1.43, "lifeexpectancy": 79.7 },
		{ "year": 2009, "fertility": 1.42, "lifeexpectancy": 80.4 },
		{ "year": 2010, "fertility": 1.36, "lifeexpectancy": 81.5 },
		{ "year": 2011, "fertility": 1.45, "lifeexpectancy": 80.9 },
		{ "year": 2012, "fertility": 1.43, "lifeexpectancy": 80.9 },
		{ "year": 2013, "fertility": 1.38, "lifeexpectancy": 81.9 }
	],	
	"fin": [
		{ "year": 2002, "fertility": 1.72, "lifeexpectancy": 78.3 },
		{ "year": 2003, "fertility": 1.76, "lifeexpectancy": 78.6 },
		{ "year": 2004, "fertility": 1.8, "lifeexpectancy": 79 },
		{ "year": 2005, "fertility": 1.8, "lifeexpectancy": 79.1 },
		{ "year": 2006, "fertility": 1.84, "lifeexpectancy": 79.5 },
		{ "year": 2007, "fertility": 1.83, "lifeexpectancy": 79.6 },
		{ "year": 2008, "fertility": 1.85, "lifeexpectancy": 79.9 },
		{ "year": 2009, "fertility": 1.86, "lifeexpectancy": 80.1 },
		{ "year": 2010, "fertility": 1.87, "lifeexpectancy": 80.2 },
		{ "year": 2011, "fertility": 1.83, "lifeexpectancy": 80.6 },
		{ "year": 2012, "fertility": 1.8, "lifeexpectancy": 80.7 },
		{ "year": 2013, "fertility": 1.75, "lifeexpectancy": 81.1 }
	],	
	"swe": [
		{ "year": 2002, "fertility": 1.65, "lifeexpectancy": 80 },
		{ "year": 2003, "fertility": 1.71, "lifeexpectancy": 80.3 },
		{ "year": 2004, "fertility": 1.75, "lifeexpectancy": 80.7 },
		{ "year": 2005, "fertility": 1.77, "lifeexpectancy": 80.7 },
		{ "year": 2006, "fertility": 1.85, "lifeexpectancy": 81 },
		{ "year": 2007, "fertility": 1.88, "lifeexpectancy": 81.1 },
		{ "year": 2008, "fertility": 1.91, "lifeexpectancy": 81.3 },
		{ "year": 2009, "fertility": 1.94, "lifeexpectancy": 81.5 },
		{ "year": 2010, "fertility": 1.98, "lifeexpectancy": 81.6 },
		{ "year": 2011, "fertility": 1.9, "lifeexpectancy": 81.9 },
		{ "year": 2012, "fertility": 1.91, "lifeexpectancy": 81.8 },
		{ "year": 2013, "fertility": 1.89, "lifeexpectancy": 82 }
	],	
	"uk": [
		{ "year": 2002, "fertility": 1.63, "lifeexpectancy": 78.3 },
		{ "year": 2003, "fertility": 1.7, "lifeexpectancy": 78.4 },
		{ "year": 2004, "fertility": 1.75, "lifeexpectancy": 79 },
		{ "year": 2005, "fertility": 1.76, "lifeexpectancy": 79.2 },
		{ "year": 2006, "fertility": 1.82, "lifeexpectancy": 79.5 },
		{ "year": 2007, "fertility": 1.86, "lifeexpectancy": 79.7 },
		{ "year": 2008, "fertility": 1.91, "lifeexpectancy": 79.8 },
		{ "year": 2009, "fertility": 1.89, "lifeexpectancy": 80.4 },
		{ "year": 2010, "fertility": 1.92, "lifeexpectancy": 80.6 },
		{ "year": 2011, "fertility": 1.91, "lifeexpectancy": 81 },
		{ "year": 2012, "fertility": 1.92, "lifeexpectancy": 81 },
		{ "year": 2013, "fertility": 1.83, "lifeexpectancy": 81.1 }
	],	
	"nor": [
		{ "year": 2002, "fertility": 1.75, "lifeexpectancy": 79 },
		{ "year": 2003, "fertility": 1.8, "lifeexpectancy": 79.6 },
		{ "year": 2004, "fertility": 1.83, "lifeexpectancy": 80.1 },
		{ "year": 2005, "fertility": 1.84, "lifeexpectancy": 80.3 },
		{ "year": 2006, "fertility": 1.9, "lifeexpectancy": 80.6 },
		{ "year": 2007, "fertility": 1.9, "lifeexpectancy": 80.6 },
		{ "year": 2008, "fertility": 1.96, "lifeexpectancy": 80.8 },
		{ "year": 2009, "fertility": 1.98, "lifeexpectancy": 81 },
		{ "year": 2010, "fertility": 1.95, "lifeexpectancy": 81.2 },
		{ "year": 2011, "fertility": 1.88, "lifeexpectancy": 81.4 },
		{ "year": 2012, "fertility": 1.85, "lifeexpectancy": 81.5 },
		{ "year": 2013, "fertility": 1.78, "lifeexpectancy": 81.8 }
	]
	}];
    
//tausta-asetukset
var margin = {top: 30, right: 20, bottom: 30, left: 30},
	w = 900 - margin.left - margin.right
	h = 500 - margin.top - margin.bottom;
    
var svg = d3.select("body")
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//Tee ympyrä
    
svg.selectAll("circle")
	.data(dataset)
	.enter()
	.append("circle")
	.attr("cx", function(d) { return d.nor.lifeexpectancy; } )
	.attr("cy", function(d) { return d.nor.fertility*1000; } )
	.attr("r", 8)
	.attr("fill", "black");
    
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