Year | Value | 2023 | 157,925 | 2022 | 143,610 | 2021 | 132,114 | 2020 | 123,443 | 2019 | 117,763 | 2018 | 116,969 | 2017 | 118,167 | 2016 | 115,976 | 2015 | 112,710 | 2014 | 111,387 | 2013 | 107,762 | 2012 | 105,267 | 2011 | 104,524 | 2010 | 104,968 | 2009 | 106,307 | 2008 | 108,384 | 2007 | 109,711 | 2006 | 109,701 | 2005 | 109,002 | 2004 | 107,432 | 2003 | 106,216 | 2002 | 105,714 | 2001 | 105,248 | 2000 | 104,695 | 1999 | 101,870 | 1998 | 97,776 | 1997 | 94,939 | 1996 | 91,973 | 1995 | 88,523 | 1994 | 88,427 | 1993 | 90,160 | 1992 | 90,793 | 1991 | 92,113 | 1990 | 93,376 | 1989 | 93,852 | 1988 | 93,679 | 1987 | 92,722 | 1986 | 91,059 | 1985 | 88,791 | 1984 | 85,839 | 1983 | 82,580 | 1982 | 79,142 | 1981 | 75,793 | 1980 | 72,816 | 1979 | 70,009 | 1978 | 67,679 | 1977 | 65,279 | 1976 | 62,364 | 1975 | 59,699 | 1974 | 56,968 |
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