| Census Region | |||
Year | West | Midwest | South | All Three Census Regions |
2010 | 0.1236* | 0.0001 | <0.0001 | <0.0001 |
2011 | 0.2575 | 0.0004 | <0.0001 | <0.0001 |
2012 | 0.5762 | 0.0070 | <0.0001 | <0.0001 |
2013 | 0.8649 | 0.0007 | <0.0001 | <0.0001 |
2014 | 0.6192 | 0.0013 | <0.0001 | <0.0001 |