| Alaska |
Unranked |
274 |
1987 |
Insufficient historical volume |
| Colorado |
Unranked |
2,228 |
1987 |
Insufficient historical volume |
| Idaho |
Unranked |
714 |
1994 |
Insufficient historical volume |
| Montana |
Unranked |
511 |
1992 |
Insufficient historical volume |
| Oregon |
Unranked |
1,417 |
1994 |
Insufficient historical volume |
| South Dakota |
Unranked |
522 |
1997 |
Insufficient historical volume |
| Arizona |
#656 |
1,806 |
1987 |
Insufficient historical volume |
| Washington |
#1149 |
2,345 |
1993 |
Insufficient historical volume |
| New Hampshire |
Unranked |
439 |
1988 |
Insufficient historical volume |
| Wyoming |
Unranked |
188 |
1990 |
Insufficient historical volume |
| New Mexico |
Unranked |
746 |
1986 |
Insufficient historical volume |
| Nebraska |
Unranked |
1,013 |
1988 |
Insufficient historical volume |
| Nevada |
Unranked |
455 |
1988 |
Insufficient historical volume |
| Kansas |
Unranked |
1,422 |
1988 |
Insufficient historical volume |
| Indiana |
#562 |
3,130 |
1989 |
Insufficient historical volume |
| Oklahoma |
Unranked |
1,797 |
1987 |
Insufficient historical volume |
| Minnesota |
Unranked |
2,270 |
1996 |
Insufficient historical volume |
| Iowa |
Unranked |
1,616 |
1988 |
Insufficient historical volume |
| Kentucky |
#700 |
2,057 |
1987 |
Insufficient historical volume |
| North Dakota |
Unranked |
397 |
1989 |
Insufficient historical volume |
| Michigan |
#1324 |
4,351 |
1988 |
Insufficient historical volume |
| Utah |
#658 |
935 |
1989 |
Insufficient historical volume |
| Wisconsin |
#745 |
2,231 |
1993 |
Insufficient historical volume |
| Missouri |
Unranked |
2,422 |
1988 |
Insufficient historical volume |
| Tennessee |
#1055 |
2,302 |
1987 |
Insufficient historical volume |
| Ohio |
#521 |
4,995 |
1987 |
Insufficient historical volume |
| Texas |
#557 |
8,163 |
2013 |
52.5% Decline |
| Maryland |
#785 |
1,545 |
1987 |
Insufficient historical volume |
| Arkansas |
#614 |
1,109 |
1988 |
Insufficient historical volume |
| District of Columbia |
Unranked |
449 |
1987 |
Insufficient historical volume |
| North Carolina |
#948 |
2,868 |
1987 |
Insufficient historical volume |
| West Virginia |
Unranked |
924 |
1996 |
Insufficient historical volume |
| Maine |
Unranked |
434 |
1994 |
Insufficient historical volume |
| Virginia |
#805 |
2,212 |
1988 |
Insufficient historical volume |
| Florida |
#1209 |
3,293 |
1987 |
Insufficient historical volume |
| Rhode Island |
Unranked |
345 |
1996 |
Insufficient historical volume |
| South Carolina |
Unranked |
1,353 |
1987 |
Insufficient historical volume |
| Vermont |
Unranked |
160 |
2000 |
Insufficient historical volume |
| Georgia |
#1145 |
2,457 |
1987 |
Insufficient historical volume |
| Alabama |
Unranked |
1,608 |
1987 |
Insufficient historical volume |
| Illinois |
#886 |
4,242 |
1987 |
Insufficient historical volume |
| Louisiana |
Unranked |
1,543 |
1978 |
Insufficient historical volume |
| California |
#781 |
8,523 |
2013 |
54.1% Decline |
| Massachusetts |
#825 |
2,060 |
1988 |
Insufficient historical volume |
| Pennsylvania |
#969 |
3,647 |
1998 |
Insufficient historical volume |
| Connecticut |
Unranked |
678 |
1995 |
Insufficient historical volume |
| Mississippi |
Unranked |
763 |
1987 |
Insufficient historical volume |
| New York |
#1058 |
3,800 |
1988 |
Insufficient historical volume |
| Hawaii |
Unranked |
143 |
1987 |
Insufficient historical volume |
| New Jersey |
#892 |
1,224 |
2013 |
Insufficient historical volume |
| Delaware |
Unranked |
77 |
1974 |
Insufficient historical volume |