| Year | Mountain division |
|---|---|
| 2022 | 12,417,864 |
| 2021 | 11,952,998 |
| 2020 | 11,451,658 |
| 2019 | 11,927,578 |
| 2018 | 11,627,110 |
| 2017 | 11,335,012 |
| 2016 | 11,109,126 |
| 2015 | 10,838,528 |
| 2014 | 10,590,847 |
| 2013 | 10,327,831 |
| 2012 | 10,164,372 |
| 2011 | 9,995,567 |
| 2010 | 9,956,813 |
| 2009 | 10,130,593 |
| 2008 | 10,528,233 |
| 2007 | 10,509,053 |
| 2006 | 10,256,136 |
| 2005 | 9,872,587 |
| 2004 | 9,573,905 |
| 2003 | 9,321,146 |
| 2002 | 9,179,859 |
| 2001 | 9,101,688 |
| 2000 | 8,973,331 |
| 1999 | 8,809,837 |
| 1998 | 8,594,009 |
| 1997 | 8,318,450 |
| 1996 | 8,086,654 |
| 1995 | 7,914,206 |
| 1994 | 7,578,708 |
| 1993 | 7,106,280 |
| 1992 | 6,782,242 |
| 1991 | 6,624,222 |
| 1990 | 6,525,351 |
| 1989 | 6,279,241 |
| 1988 | 6,106,325 |
| 1987 | 5,959,436 |
| 1986 | 5,881,792 |
| 1985 | 5,804,725 |
| 1984 | 5,722,276 |
| 1983 | 5,438,537 |
| 1982 | 5,272,277 |
| 1981 | 5,209,349 |
| 1980 | 5,051,215 |
| 1979 | 4,914,200 |
| 1978 | 4,641,115 |
| 1977 | 4,375,617 |
| 1976 | 4,131,365 |
| Agency | |
| Source | |
| Last updated at USAFacts | August 28, 2023 |
| Suggested citation |