State | Cost efficiency | ||||||||
---|---|---|---|---|---|---|---|---|---|
1999 | 2000 | 2001 | 2002 | 2003 | 2004 | 2005 | 2006 | 2007 | |
High efficiency states | |||||||||
WY | 9.6 | 9.5 | 9.4 | 9.3 | 9.2 | 9.1 | 9.1 | 9.0 | 8.9 |
VT | 9.9 | 9.8 | 9.7 | 9.6 | 9.5 | 9.5 | 9.4 | ||
SD | 10.2 | 10.1 | 10.1 | 10.0 | 9.9 | 9.8 | 9.7 | 9.6 | 9.5 |
NV | 10.6 | 10.5 | 10.4 | 10.4 | 10.3 | 10.2 | 10.1 | 10.0 | 9.9 |
MT | 12.2 | 12.1 | 12.0 | 11.9 | 11.8 | 11.7 | 11.6 | 11.5 | 11.4 |
ID | 12.4 | 12.2 | 12.1 | 12.0 | 11.9 | 11.8 | 11.7 | 11.6 | 11.5 |
UT | 13.4 | 13.3 | 13.2 | 13.0 | 12.9 | 12.8 | 12.7 | 12.5 | 12.4 |
DE | 13.9 | 13.7 | 13.6 | 13.5 | 13.3 | 13.2 | 13.1 | 12.9 | 12.8 |
HI | 13.9 | 13.8 | 13.6 | 13.5 | 13.4 | 13.2 | 13.1 | 13.0 | 12.8 |
AK | 14.6 | 14.5 | 14.3 | 14.2 | 14.0 | 13.9 | 13.8 | 13.6 | 13.5 |
ND | 14.8 | 14.6 | 14.5 | 14.3 | 14.2 | 14.0 | 13.9 | 13.8 | 13.6 |
DC | 14.9 | 14.7 | 14.5 | 14.4 | 14.3 | 14.1 | 14.0 | 13.8 | 13.7 |
Moderate efficiency states | |||||||||
NH | 19.0 | 18.8 | 18.5 | 18.3 | 18.1 | 17.9 | 17.7 | 17.5 | 17.4 |
ME | 20.1 | 19.9 | 19.6 | 19.4 | 19.2 | 19.0 | 18.8 | 18.6 | 18.4 |
AR | 20.5 | 20.3 | 20.1 | 19.8 | 19.6 | 19.4 | 19.2 | 19.0 | 18.7 |
RI | 20.7 | 20.4 | 20.2 | 20.0 | 19.8 | 19.5 | 19.3 | 19.1 | 18.9 |
NM | 21.0 | 20.8 | 20.5 | 20.3 | 20.1 | 19.8 | 19.6 | 19.4 | 19.2 |
NE | 22.0 | 21.7 | 21.4 | 21.2 | 20.9 | 20.7 | 20.5 | 20.2 | 20.0 |
WV | 23.4 | 23.1 | 22.9 | 22.6 | 22.3 | 22.1 | 21.8 | 21.5 | 21.3 |
OK | 24.1 | 23.8 | 23.5 | 23.2 | 22.9 | 22.6 | 22.4 | 22.1 | 21.8 |
MS | 24.7 | 24.4 | 24.1 | 23.8 | 23.5 | 23.2 | 22.9 | 22.6 | 22.4 |
KS | 24.8 | 24.5 | 24.2 | 23.9 | 23.7 | 23.4 | 23.1 | 22.8 | 22.5 |
SC | 25.5 | 25.2 | 24.9 | 24.6 | 24.3 | 24.0 | 23.7 | 23.4 | 23.1 |
CO | 25.9 | 25.6 | 25.3 | 25.0 | 24.7 | 24.4 | 24.1 | 23.8 | 23.5 |
Low efficiency states | |||||||||
IA | 26.3 | 25.9 | 25.6 | 25.3 | 25.0 | 24.7 | 24.4 | 24.1 | 23.8 |
OR | 26.3 | 26.0 | 25.7 | 25.4 | 25.1 | 24.8 | 24.5 | 24.2 | 23.9 |
KY | 26.9 | 26.5 | 26.2 | 25.9 | 25.6 | 25.3 | 24.9 | 24.6 | 24.3 |
AL | 31.9 | 31.5 | 31.1 | 30.7 | 30.3 | 29.9 | 29.5 | 29.1 | 28.7 |
MO | 33.0 | 32.5 | 32.1 | 31.7 | 31.3 | 30.8 | 30.4 | 30.0 | 29.7 |
GA | 34.8 | 34.3 | 33.9 | 33.4 | 33.0 | 32.5 | 32.1 | 31.7 | 31.3 |
VA | 35.3 | 34.8 | 34.3 | 33.9 | 33.4 | 33.0 | 32.5 | 32.1 | 31.7 |
WA | 38.7 | 38.1 | 37.6 | 37.1 | 36.6 | 36.1 | 35.6 | 35.1 | 34.6 |
LA | 39.2 | 38.6 | 38.1 | 37.6 | 37.1 | 36.5 | 36.0 | 35.6 | 35.1 |
MD | 39.4 | 38.9 | 38.3 | 37.8 | 37.3 | 36.8 | 36.3 | 35.8 | 35.3 |
IN | 43.5 | 42.8 | 42.2 | 41.6 | 41.0 | 40.5 | 39.9 | 39.3 | 38.8 |
WI | 45.0 | 44.4 | 43.7 | 43.1 | 42.5 | 41.9 | 41.3 | 40.7 | 40.1 |
Very low efficiency states | |||||||||
TN | 45.4 | 44.7 | 44.1 | 43.5 | 42.8 | 42.2 | 41.6 | 41.0 | 40.4 |
MI | 47.3 | 46.6 | 45.9 | 45.2 | 44.6 | 43.9 | 43.3 | 42.7 | 42.1 |
IL | 48.6 | 47.8 | 47.1 | 46.4 | 45.8 | 45.1 | 44.4 | 43.8 | 43.2 |
NC | 48.6 | 47.9 | 47.2 | 46.5 | 45.8 | 45.2 | 44.5 | 43.9 | 43.2 |
CT | 49.3 | 48.6 | 47.9 | 47.2 | 46.5 | 45.8 | 45.1 | 44.5 | 43.8 |
MN | 52.4 | 51.6 | 50.9 | 50.1 | 49.3 | 48.6 | 47.9 | 47.2 | 46.5 |
TX | 53.6 | 52.8 | 52.0 | 51.2 | 50.5 | 49.7 | 49.0 | 48.2 | 47.5 |
FL | 55.9 | 55.0 | 54.2 | 53.4 | 52.5 | 51.8 | 51.0 | 50.2 | 49.5 |
MA | 59.3 | 58.4 | 57.5 | 56.6 | 55.7 | 54.9 | 54.0 | 53.2 | 52.4 |
NJ | 68.9 | 67.8 | 66.7 | 65.6 | 64.6 | 63.5 | 62.5 | 61.6 | 60.6 |
OH | 74.8 | 73.5 | 72.3 | 71.2 | 70.0 | 68.9 | 67.8 | 66.7 | 65.6 |
CA | 79.8 | 78.4 | 77.1 | 75.9 | 74.6 | 73.4 | 72.2 | 71.0 | 69.9 |
PA | 117.6 | 115.5 | 113.4 | 111.3 | 109.4 | 107.4 | 105.5 | 103.6 | 101.8 |
NY | 198.2 | 194.2 | 190.3 | 186.5 | 182.8 | 179.2 | 175.7 | 172.2 | 168.9 |
All USA | 36.8 | 36.3 | 35.8 | 35.2 | 34.7 | 34.2 | 33.7 | 33.2 | 32.8 |