← All namesSierra
Raw counts
| Year | Count |
|---|
| 1940 | 22 |
| 1941 | 12 |
| 1944 | 10 |
| 1945 | 12 |
| 1976 | 22 |
| 1977 | 16 |
| 1978 | 54 |
| 1979 | 39 |
| 1980 | 59 |
| 1981 | 76 |
| 1982 | 103 |
| 1983 | 69 |
| 1984 | 128 |
| 1985 | 1,604 |
| 1986 | 2,068 |
| 1987 | 2,099 |
| 1988 | 1,941 |
| 1989 | 2,426 |
| 1990 | 2,533 |
| 1991 | 2,992 |
| 1992 | 2,959 |
| 1993 | 4,046 |
| 1994 | 5,678 |
| 1995 | 6,189 |
| 1996 | 6,209 |
| 1997 | 6,533 |
| 1998 | 7,326 |
| 1999 | 6,116 |
| 2000 | 6,133 |
| 2001 | 5,516 |
| 2002 | 5,004 |
| 2003 | 4,517 |
| 2004 | 4,492 |
| 2004 | 32 |
| 2005 | 3,810 |
| 2006 | 2,922 |
| 2007 | 2,550 |
| 2008 | 2,192 |
| 2009 | 1,777 |
| 2010 | 1,452 |
| 2011 | 1,265 |
| 2012 | 1,300 |
| 2013 | 902 |
| 2014 | 940 |
| 2015 | 811 |
| 2016 | 772 |
| 2017 | 656 |
| 2018 | 617 |
| 2019 | 566 |
| 2020 | 481 |
| 2021 | 572 |
| 2022 | 492 |
| 2023 | 452 |
| 2024 | 445 |