Appendix Table 1.
Number of YRBS Observations by State-Year, 1991–2017
| 1991 | 1993 | 1995 | 1997 | 1999 | 2001 | 2003 | 2005 | 2007 | 2009 | 2011 | 2013 | 2015 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Alabama | 2,304 | 758 | 3,692 | 4,218 | 1,979 | 1,728 | 1,591 | 1,009 | 463 | 2,354 | 1,603 | 1,741 | 1,690 | 0 |
| Alaska | 0 | 0 | 1,578 | 0 | 0 | 0 | 1,380 | 0 | 1,218 | 1,264 | 1,216 | 1,133 | 1,329 | 1,270 |
| Arizona | 0 | 423 | 0 | 1,020 | 0 | 393 | 3,510 | 3,262 | 3,231 | 2,685 | 3,685 | 1,645 | 2,596 | 2,005 |
| Arkansas | 0 | 373 | 2,434 | 2,217 | 1,387 | 1,621 | 270 | 1,414 | 1,863 | 1,796 | 1,257 | 1,659 | 2,491 | 1,453 |
| California | 0 | 1,901 | 626 | 1,853 | 0 | 2,158 | 1,622 | 1,499 | 2,017 | 2,713 | 1,809 | 2,428 | 5,713 | 1,690 |
| Colorado | 0 | 256 | 102 | 258 | 0 | 622 | 0 | 1,422 | 0 | 1,590 | 1,668 | 274 | 263 | 1,365 |
| Connecticut | 0 | 0 | 226 | 1,833 | 0 | 0 | 0 | 2,274 | 1,995 | 2,327 | 1,978 | 2,410 | 2,441 | 2,346 |
| Delaware | 0 | 0 | 209 | 0 | 2,100 | 2,772 | 3,200 | 2,535 | 2,486 | 2,243 | 2,391 | 2,524 | 2,562 | 2,775 |
| District of Columbia | 0 | 0 | 483 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 300 | 0 | 0 | 0 |
| Florida | 0 | 0 | 512 | 650 | 0 | 5,000 | 5,212 | 4,800 | 5,015 | 5,572 | 7,329 | 6,734 | 6,948 | 5,819 |
| Georgia | 2,128 | 2,405 | 414 | 319 | 0 | 466 | 2,287 | 3,316 | 2,566 | 2,981 | 1,849 | 2,120 | 331 | 0 |
| Hawaii | 0 | 1,486 | 1,181 | 1,339 | 1,190 | 0 | 0 | 1,601 | 1,138 | 1,640 | 3,972 | 4,536 | 5,763 | 5,686 |
| Idaho | 4,009 | 3,862 | 0 | 0 | 0 | 1,756 | 1,645 | 1,595 | 1,337 | 2,058 | 1,893 | 2,077 | 2,025 | 1,765 |
| Illinois | 0 | 4,054 | 3,089 | 0 | 0 | 411 | 297 | 458 | 2,794 | 4,158 | 4,141 | 3,576 | 3,818 | 4,495 |
| Indiana | 0 | 0 | 0 | 0 | 0 | 171 | 1,949 | 1,620 | 2,586 | 1,440 | 2,940 | 815 | 2,005 | 0 |
| Iowa | 0 | 0 | 241 | 2,206 | 0 | 0 | 0 | 1,551 | 1,645 | 0 | 1,495 | 0 | 0 | 1,590 |
| Kansas | 0 | 167 | 0 | 200 | 0 | 0 | 290 | 1,850 | 1,629 | 2,131 | 2,057 | 2,023 | 0 | 2,305 |
| Kentucky | 0 | 0 | 333 | 1,393 | 0 | 0 | 1,482 | 3,575 | 3,569 | 1,619 | 1,785 | 2,164 | 2,380 | 1,870 |
| Louisiana | 0 | 0 | 719 | 543 | 0 | 0 | 641 | 143 | 1,203 | 1,326 | 1,014 | 950 | 0 | 1,029 |
| Maine | 0 | 239 | 1,499 | 1,978 | 0 | 1,462 | 1,754 | 1,281 | 1,251 | 8,272 | 8,926 | 8,083 | 8,717 | 8,776 |
| Maryland | 0 | 140 | 0 | 752 | 0 | 0 | 250 | 1,335 | 1,390 | 1,493 | 2,398 | 48,628 | 52,183 | 47,723 |
| Massachusetts | 0 | 3,460 | 4,235 | 5,300 | 4,186 | 252 | 209 | 251 | 3,617 | 2,540 | 2,864 | 2,648 | 3,300 | 3,156 |
| Michigan | 0 | 137 | 1,050 | 4,096 | 2,538 | 3,611 | 3,551 | 3,330 | 3,548 | 3,429 | 4,531 | 4,465 | 4,722 | 1,551 |
| Minnesota | 0 | 315 | 0 | 0 | 0 | 0 | 0 | 93 | 0 | 185 | 0 | 297 | 739 | 0 |
| Mississippi | 0 | 1,682 | 1,674 | 1,706 | 1,461 | 2,010 | 1,417 | 0 | 1,811 | 1,694 | 1,807 | 2,017 | 1,841 | 0 |
| Missouri | 0 | 178 | 5,200 | 1,405 | 1,588 | 2,047 | 1,754 | 1,912 | 1,821 | 1,634 | 339 | 1,802 | 1,577 | 1,757 |
| Montana | 0 | 2,406 | 2,422 | 2,348 | 2,782 | 2,669 | 2,533 | 2,856 | 3,774 | 1,721 | 3,902 | 4,632 | 4,286 | 4,581 |
| Nebraska | 2,295 | 3,503 | 0 | 0 | 0 | 0 | 2,607 | 3,490 | 0 | 0 | 2,583 | 1,677 | 1,564 | 1,341 |
| Nevada | 0 | 1,954 | 1,484 | 1,407 | 1,633 | 1,602 | 1,885 | 1,460 | 1,713 | 2,346 | 190 | 1,961 | 1,768 | 1,582 |
| New Hampshire | 0 | 2,590 | 2,043 | 0 | 0 | 0 | 1,281 | 1,246 | 1,610 | 1,472 | 1,395 | 1,597 | 14,466 | 11,792 |
| New Jersey | 0 | 0 | 0 | 678 | 0 | 2,119 | 284 | 1,747 | 666 | 2,171 | 1,709 | 1,996 | 206 | 0 |
| New Mexico | 2,770 | 640 | 0 | 260 | 0 | 143 | 95 | 5,064 | 2,604 | 5,175 | 5,351 | 5,027 | 8,131 | 5,436 |
| New York | 0 | 478 | 270 | 3,920 | 3,217 | 302 | 9,600 | 9,328 | 13,304 | 14,535 | 12,899 | 10,193 | 9,897 | 10,367 |
| North Carolina | 0 | 2,633 | 1,801 | 310 | 0 | 3,039 | 2,412 | 4,356 | 3,878 | 5,436 | 3,228 | 2,144 | 5,787 | 3,035 |
| North Dakota | 0 | 0 | 1,462 | 0 | 1,753 | 1,496 | 1,562 | 1,629 | 1,654 | 1,763 | 1,832 | 1,888 | 2,061 | 2,099 |
| Ohio | 0 | 2,894 | 538 | 2,608 | 1,997 | 220 | 1,402 | 267 | 2,396 | 0 | 1,310 | 1,585 | 226 | 0 |
| Oklahoma | 0 | 0 | 0 | 213 | 0 | 387 | 1,313 | 1,872 | 2,790 | 1,356 | 1,112 | 1,428 | 1,923 | 1,552 |
| Oregon | 0 | 185 | 0 | 0 | 0 | 181 | 0 | 269 | 0 | 243 | 0 | 0 | 0 | 0 |
| Pennsylvania | 0 | 346 | 635 | 258 | 0 | 0 | 314 | 393 | 209 | 3,041 | 419 | 259 | 3,193 | 3,518 |
| Rhode Island | 0 | 0 | 0 | 1,440 | 0 | 1,307 | 1,715 | 2,226 | 2,025 | 2,980 | 3,649 | 2,284 | 3,848 | 2,039 |
| South Carolina | 5,284 | 4,394 | 5,135 | 5,585 | 4,227 | 0 | 837 | 1,459 | 1,133 | 1,009 | 1,301 | 1,487 | 1,250 | 1,234 |
| South Dakota | 1,289 | 1,303 | 1,137 | 1,517 | 1,608 | 1,441 | 1,961 | 1,480 | 1,478 | 2,031 | 1,453 | 1,231 | 1,211 | 0 |
| Tennessee | 0 | 3,603 | 0 | 543 | 0 | 575 | 1,843 | 1,863 | 2,133 | 2,146 | 2,794 | 1,713 | 378 | 1,889 |
| Texas | 0 | 1,285 | 1,171 | 892 | 0 | 8,481 | 2,446 | 5,535 | 4,394 | 4,662 | 5,482 | 3,287 | 1,183 | 1,980 |
| Utah | 4,381 | 4,233 | 3,165 | 1,346 | 1,445 | 1,021 | 1,558 | 1,720 | 2,050 | 1,516 | 1,629 | 2,111 | 0 | 1,755 |
| Vermont | 0 | 8,319 | 6,817 | 8,134 | 8,713 | 9,019 | 8,147 | 9,115 | 8,232 | 11,183 | 8,356 | 0 | 20,162 | 20,015 |
| Virginia | 0 | 0 | 62 | 0 | 0 | 0 | 232 | 340 | 422 | 97 | 1,529 | 7,449 | 4,872 | 3,554 |
| Washington | 0 | 375 | 83 | 102 | 0 | 47 | 0 | 106 | 0 | 246 | 164 | 196 | 100 | 0 |
| West Virginia | 0 | 3,000 | 1,988 | 1,747 | 1,278 | 258 | 1,645 | 1,517 | 1,555 | 1,967 | 2,307 | 1,720 | 1,743 | 1,460 |
| Wisconsin | 0 | 3,143 | 0 | 1,533 | 1,287 | 2,224 | 2,164 | 2,431 | 2,166 | 3,024 | 3,513 | 2,715 | 0 | 1,966 |
| Wyoming | 0 | 0 | 1,626 | 1,931 | 1,569 | 2,669 | 1,500 | 2,283 | 1,988 | 2,639 | 2,277 | 2,796 | 2,245 | 0 |