| Alaska |
Unranked |
256 |
1981 |
Insufficient historical volume |
| Utah |
#812 |
1,228 |
2002 |
Insufficient historical volume |
| Oregon |
Unranked |
1,175 |
1991 |
Insufficient historical volume |
| Idaho |
#466 |
493 |
2010 |
Insufficient historical volume |
| Washington |
#1206 |
1,747 |
1981 |
Insufficient historical volume |
| Tennessee |
#641 |
2,276 |
1994 |
Insufficient historical volume |
| Arizona |
#623 |
1,287 |
1995 |
Insufficient historical volume |
| Colorado |
#1021 |
1,240 |
1996 |
Insufficient historical volume |
| Oklahoma |
#811 |
1,401 |
1983 |
Insufficient historical volume |
| Florida |
#908 |
3,280 |
1995 |
Insufficient historical volume |
| Indiana |
#790 |
2,264 |
2000 |
Insufficient historical volume |
| North Carolina |
#1629 |
2,730 |
2000 |
Insufficient historical volume |
| Kansas |
Unranked |
991 |
1990 |
Insufficient historical volume |
| New Mexico |
Unranked |
504 |
1990 |
Insufficient historical volume |
| Virginia |
#1152 |
2,087 |
1994 |
Insufficient historical volume |
| Georgia |
#1050 |
2,574 |
1994 |
Insufficient historical volume |
| Texas |
#858 |
6,911 |
1995 |
20.5% Decline |
| Arkansas |
Unranked |
951 |
1994 |
Insufficient historical volume |
| New Hampshire |
Unranked |
268 |
1999 |
Insufficient historical volume |
| Kentucky |
Unranked |
1,466 |
2000 |
Insufficient historical volume |
| Missouri |
#583 |
1,858 |
1982 |
Insufficient historical volume |
| South Carolina |
Unranked |
1,206 |
1994 |
Insufficient historical volume |
| Maine |
Unranked |
361 |
1980 |
Insufficient historical volume |
| Montana |
#248 |
244 |
1982 |
Insufficient historical volume |
| Alabama |
#624 |
1,390 |
1996 |
Insufficient historical volume |
| Nevada |
Unranked |
247 |
1996 |
Insufficient historical volume |
| Ohio |
#556 |
3,391 |
1982 |
Insufficient historical volume |
| Michigan |
#541 |
2,759 |
1982 |
Insufficient historical volume |
| West Virginia |
Unranked |
667 |
1981 |
Insufficient historical volume |
| California |
#1144 |
7,030 |
1990 |
17.9% Decline |
| Maryland |
#965 |
1,031 |
1993 |
Insufficient historical volume |
| Louisiana |
Unranked |
1,203 |
1982 |
Insufficient historical volume |
| Minnesota |
Unranked |
1,218 |
1984 |
Insufficient historical volume |
| Pennsylvania |
#384 |
3,436 |
1993 |
Insufficient historical volume |
| Wisconsin |
Unranked |
1,261 |
1983 |
Insufficient historical volume |
| Nebraska |
Unranked |
422 |
1997 |
Insufficient historical volume |
| Wyoming |
Unranked |
77 |
1981 |
Insufficient historical volume |
| Mississippi |
Unranked |
705 |
1999 |
Insufficient historical volume |
| Iowa |
Unranked |
734 |
2000 |
Insufficient historical volume |
| Delaware |
Unranked |
98 |
1993 |
Insufficient historical volume |
| Illinois |
#995 |
2,336 |
1982 |
Insufficient historical volume |
| Connecticut |
Unranked |
509 |
1992 |
Insufficient historical volume |
| Vermont |
Unranked |
68 |
2000 |
Insufficient historical volume |
| Massachusetts |
Unranked |
947 |
1996 |
Insufficient historical volume |
| Hawaii |
Unranked |
117 |
1996 |
Insufficient historical volume |
| New Jersey |
Unranked |
932 |
1986 |
Insufficient historical volume |
| South Dakota |
Unranked |
114 |
1982 |
Insufficient historical volume |
| New York |
#1496 |
2,583 |
1995 |
Insufficient historical volume |
| Rhode Island |
Unranked |
119 |
1998 |
Insufficient historical volume |
| North Dakota |
Unranked |
99 |
1984 |
Insufficient historical volume |
| District of Columbia |
Unranked |
49 |
1977 |
Insufficient historical volume |