Year | Value | 2022 | 66,044 | 2021 | 67,581 | 2020 | 69,789 | 2019 | 72,648 | 2018 | 75,900 | 2017 | 78,573 | 2016 | 80,280 | 2015 | 81,168 | 2014 | 81,393 | 2013 | 81,136 | 2012 | 80,816 | 2011 | 80,807 | 2010 | 81,675 | 2009 | 83,747 | 2008 | 87,004 | 2007 | 91,322 | 2006 | 96,331 | 2005 | 101,859 | 2004 | 107,926 | 2003 | 114,228 | 2002 | 120,917 | 2001 | 128,036 | 2000 | 136,136 | 1999 | 143,629 | 1998 | 150,601 | 1997 | 156,957 | 1996 | 162,405 | 1995 | 167,009 | 1994 | 171,357 | 1993 | 175,745 | 1992 | 179,966 | 1991 | 183,719 | 1990 | 186,922 | 1989 | 185,159 | 1988 | 181,364 | 1987 | 178,705 | 1986 | 175,594 | 1985 | 172,312 | 1984 | 168,836 | 1983 | 165,828 | 1982 | 163,607 | 1981 | 162,342 | 1980 | 162,117 | 1979 | 162,027 | 1978 | 161,808 | 1977 | 161,210 | 1976 | 160,102 | 1975 | 158,725 | 1974 | 157,316 | 1973 | 156,127 | 1972 | 154,746 | 1971 | 153,035 | 1970 | 151,578 | 1969 | 150,286 | 1968 | 148,916 | 1967 | 148,088 | 1966 | 147,926 | 1965 | 147,719 | 1964 | 146,783 | 1963 | 144,839 | 1962 | 141,931 | 1961 | 138,178 | 1960 | 133,858 |
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