Income levels | 2007 | 2008 | 2009 | 2010 | 2011 | 2012 |
Poor households | 3357.9 | 3734.4 | 4197.6 | 4739.2 | 5398.2 | 6520 |
Lowest income households | 4210.1 | 4753.6 | 5253.2 | 5948.1 | 6876.1 | 8215.1 |
Lower income households | 6504.6 | 7363.3 | 8162.1 | 9285.3 | 10,672 | 12488.6 |
Lower middle income households | 8900.5 | 10195.6 | 11243.6 | 12702.1 | 14498.3 | 16761.4 |
Middle income households | 12042.3 | 13984.2 | 15399.9 | 17224 | 19544.9 | 22419.1 |
Upper middle income households | 16385.8 | 19254.1 | 21018.0 | 23188.9 | 26,420 | 29813.7 |
Higher income households | 22233.6 | 26250.1 | 28386.5 | 31,044 | 35579.2 | 39605.2 |
Highest income households | 36784.5 | 43613.8 | 46826.1 | 51431.6 | 58841.9 | 63824.2 |