D3 Examples - CO2 emissions visualisation for one year (Horizontal bar graph with vertical axis labeling)

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<!DOCTYPE html>
<html lang="en">
    <head>
        <meta charset="utf-8">
        <title>Horizontal Bar Graph</title>
        <script type="text/javascript" src="https://d3js.org/d3.v3.js"></script>
        <style type="text/css">
            body {
                background-color: white;
            }
            svg {
                background-color: white;
            }
        </style>
    </head>
    <body>
​
        <svg width="1200" height="40">
            <text fill="charcoal" font-size="20" font-weight="bold" font-family="Helvetica">
                <tspan x="160" y="30">CO2 gas emissions (million tonnes) by various countries for the year 1999</tspan>
            </text>
        </svg>
​
        <script type="text/javascript">
​
            var strYear = '1999';
​
            d3.csv("co2_emissions.csv", function(data) {
​
                var svg = d3.select("body")
                        .append("svg")
                        .attr("x", 0)
                        .attr("y", 0)
                        .attr("width", 1200)
                        .attr("height", 1100);
​
                data.sort(function(a, b) {
                    return d3.descending(+a[strYear], +b[strYear]);
                });
​
                var rects = svg.selectAll("rect")
                                .data(data)
                                .enter()
                                .append("rect");
​
                rects.attr("x", 160)
                    .attr("y", function(d, i) {
                        return 10 + (i * 20);
                    })
                    .attr("width", function(d) {
                        return d[strYear] / 5;
                    })
                    .attr("height", 10)
                    .attr("fill", "rgb(100, 100, 100)")
                    .append("title")
                    .text(function(d) {
                        return "CO2 emission by " + d.Country + " in the year " + strYear + " was " + d[strYear] + " million tonnes.";
                    });
​
                svg.selectAll("text")
                    .data(data)
                    .enter()
                    .append("svg:text")
                    .attr("x", 0)
                    .attr("y", function(d, i) {
                        return 10 + (i * 20);
                    })
                    .attr("dy", 10)
                    .attr("text-anchor", "left")
                    .attr("style", "font-size: 4; font-family: Helvetica, sans-serif")
                    .text(function(d) {
                        return d.Country;
                    });
​
            });
​
        </script>
​
    </body>
</html>
    