Year | Value | 2023 | 44,914 | 2022 | 43,665 | 2021 | 43,073 | 2020 | 42,143 | 2019 | 40,284 | 2018 | 38,258 | 2017 | 36,277 | 2016 | 34,471 | 2015 | 32,998 | 2014 | 31,788 | 2013 | 30,637 | 2012 | 29,552 | 2011 | 28,685 | 2010 | 28,133 | 2009 | 27,908 | 2008 | 27,936 | 2007 | 28,002 | 2006 | 27,849 | 2005 | 27,333 | 2004 | 26,431 | 2003 | 25,202 | 2002 | 23,803 | 2001 | 22,392 | 2000 | 21,033 | 1999 | 19,746 | 1998 | 18,552 | 1997 | 17,524 | 1996 | 16,746 | 1995 | 16,275 | 1994 | 16,131 | 1993 | 16,245 | 1992 | 16,441 | 1991 | 16,515 | 1990 | 16,349 | 1989 | 15,913 | 1988 | 15,251 | 1987 | 14,502 | 1986 | 13,835 | 1985 | 13,352 | 1984 | 13,081 | 1983 | 13,004 | 1982 | 13,055 | 1981 | 13,028 | 1980 | 12,846 | 1979 | 12,586 | 1978 | 12,234 | 1977 | 11,812 | 1976 | 11,348 | 1975 | 10,868 |
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