Year | Value | 2022 | 142,971 | 2021 | 143,602 | 2020 | 148,191 | 2019 | 154,716 | 2018 | 162,446 | 2017 | 170,817 | 2016 | 178,057 | 2015 | 183,074 | 2014 | 185,242 | 2013 | 183,734 | 2012 | 179,450 | 2011 | 174,880 | 2010 | 169,527 | 2009 | 165,123 | 2008 | 163,209 | 2007 | 161,851 | 2006 | 159,749 | 2005 | 155,917 | 2004 | 150,145 | 2003 | 142,601 | 2002 | 133,729 | 2001 | 124,454 | 2000 | 115,417 | 1999 | 106,382 | 1998 | 97,658 | 1997 | 89,199 | 1996 | 82,287 | 1995 | 77,772 | 1994 | 75,995 | 1993 | 77,052 | 1992 | 79,923 | 1991 | 82,753 | 1990 | 84,434 | 1989 | 84,814 | 1988 | 83,358 | 1987 | 80,977 | 1986 | 79,966 | 1985 | 81,568 | 1984 | 85,424 | 1983 | 91,572 | 1982 | 99,204 | 1981 | 105,760 | 1980 | 109,551 | 1979 | 110,740 | 1978 | 109,437 | 1977 | 105,816 | 1976 | 100,889 | 1975 | 95,534 | 1974 | 89,730 | 1973 | 83,055 | 1972 | 76,051 | 1971 | 69,609 | 1970 | 64,338 | 1969 | 60,249 | 1968 | 57,662 | 1967 | 56,370 | 1966 | 55,255 | 1965 | 53,760 | 1964 | 52,001 | 1963 | 50,015 | 1962 | 47,814 | 1961 | 45,723 | 1960 | 43,968 |
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