Year | Value | 2022 | 155,824 | 2021 | 155,589 | 2020 | 155,971 | 2019 | 154,859 | 2018 | 155,325 | 2017 | 155,243 | 2016 | 154,486 | 2015 | 153,182 | 2014 | 152,341 | 2013 | 152,160 | 2012 | 153,059 | 2011 | 154,513 | 2010 | 156,014 | 2009 | 156,543 | 2008 | 156,418 | 2007 | 155,742 | 2006 | 153,957 | 2005 | 150,978 | 2004 | 148,142 | 2003 | 144,890 | 2002 | 140,553 | 2001 | 136,471 | 2000 | 134,566 | 1999 | 133,461 | 1998 | 133,171 | 1997 | 132,967 | 1996 | 132,589 | 1995 | 132,352 | 1994 | 133,335 | 1993 | 135,800 | 1992 | 139,532 | 1991 | 143,771 | 1990 | 142,095 | 1989 | 145,448 | 1988 | 147,865 | 1987 | 148,272 | 1986 | 146,836 | 1985 | 146,838 | 1984 | 146,223 | 1983 | 146,121 | 1982 | 146,526 | 1981 | 148,452 | 1980 | 151,128 | 1979 | 152,493 | 1978 | 152,835 | 1977 | 151,042 | 1976 | 147,911 | 1975 | 144,389 | 1974 | 140,136 | 1973 | 135,671 | 1972 | 131,565 | 1971 | 128,505 | 1970 | 125,994 | 1969 | 123,422 | 1968 | 121,749 | 1967 | 120,748 | 1966 | 118,755 | 1965 | 115,893 | 1964 | 111,555 | 1963 | 105,194 | 1962 | 98,662 | 1961 | 92,913 | 1960 | 89,420 |
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