Old school D3 from simpler times
Average annual attendance for all NBA team 2001-2016. Hover to see individual teams attendance.
Note the Wizards big uptick in the 2001-2003 years due to MJ. The impact of Lebron is clear when you look at attendance patterns for both the Cavaliers (2003-2010, 2014-present) and the Heat (2010-2014). The effects of the Great Recession (2007-2009) on attendance are also evident.
Data for 2016 is current as of Feb 21, 2016. Data source: ESPN.com