States | Arizona | Arkansas | California | Colorado | Idaho | Kansas | Missouri | Nevada | Montana | Oregon | Texas |
2000 | 3 | 0 | 0.4 | 2.4 | 0.1 | 0 | 0.1 | 0.1 | 0.2 | 0.1 | 0 |
2001 | 3 | 0 | 0.4 | 2.5 | 0 | 0 | 0.1 | 0.2 | 0.1 | 0.1 | 0 |
2002 | 1.5 | 0 | 0.4 | 2 | 0.2 | 0 | 0 | 0.1 | 0.1 | 0.3 | 0.1 |
2003 | 0 | 0 | 0.4 | 0.4 | 0 | 0 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 |
2004 | 0 | 0 | 0.4 | 0.2 | 0.1 | 0 | 0.1 | 0.1 | 0.1 | 0.4 | 0 |
2005 | 0 | 0.1 | 0.3 | 0.5 | 0.1 | 0 | 0.1 | 0.1 | 0.2 | 0.1 | 0 |
2006 | 0 | 0 | 0.4 | 1 | 0.1 | 0 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 |
2007 | 0.1 | 0 | 0.5 | 0.6 | 0.1 | 0 | 0.1 | 0.1 | 0.1 | 0.5 | 0.1 |
2008 | 0.1 | 0.2 | 0.6 | 0.6 | 0.1 | 0 | 0.2 | 0.2 | 0.1 | 0.1 | 0.4 |
2009 | 0.1 | 0.1 | 0.6 | 0.6 | 0.1 | 0 | 0.1 | 0.1 | 0.1 | 0.2 | 0.3 |
2010 | 0.3 | 2.6 | 2 | 1 | 0.3 | 0 | 0.5 | 0.2 | 1.5 | 0.4 | 7 |
2011 | 0.1 | 9 | 1 | 1 | 0.1 | 0 | 1 | 0.2 | 0.2 | 0.3 | 2 |
2012 | 0.3 | 0.2 | 1 | 0.4 | 0.1 | 0 | 0.5 | 0.1 | 0.3 | 0.3 | 1 |
2013 | 0.2 | 0.4 | 0.7 | 0.7 | 0.2 | 0 | 1 | 0.2 | 0.2 | 0.7 | 1.5 |
2014 | 2 | 1.6 | 3.5 | 0.8 | 4 | 3 | 3.2 | 5 | 3 | 4.5 | 1 |
2015 | 1.7 | 1 | 4 | 0.6 | 5 | 4 | 5 | 6 | 4 | 4.4 | 2 |
2016 | 2 | 0.6 | 4.5 | 0.7 | 4.5 | 9 | 3 | 4 | 5 | 2.8 | 0.3 |