Year | Value | 2022 | 223,297 | 2021 | 227,741 | 2020 | 228,577 | 2019 | 228,429 | 2018 | 231,159 | 2017 | 240,433 | 2016 | 256,815 | 2015 | 279,811 | 2014 | 287,649 | 2013 | 265,696 | 2012 | 245,566 | 2011 | 241,142 | 2010 | 239,657 | 2009 | 237,724 | 2008 | 235,119 | 2007 | 232,126 | 2006 | 228,395 | 2005 | 224,769 | 2004 | 220,655 | 2003 | 215,879 | 2002 | 211,909 | 2001 | 207,968 | 2000 | 203,210 | 1999 | 198,932 | 1998 | 195,432 | 1997 | 192,304 | 1996 | 189,503 | 1995 | 187,085 | 1994 | 184,493 | 1993 | 181,378 | 1992 | 177,767 | 1991 | 173,925 | 1990 | 171,246 | 1989 | 169,794 | 1988 | 168,054 | 1987 | 165,821 | 1986 | 162,994 | 1985 | 160,470 | 1984 | 158,521 | 1983 | 156,514 | 1982 | 155,389 | 1981 | 153,374 | 1980 | 149,503 | 1979 | 145,519 | 1978 | 158,394 | 1977 | 170,901 | 1976 | 151,877 | 1975 | 134,177 | 1974 | 129,220 | 1973 | 120,876 | 1972 | 111,661 | 1971 | 101,770 | 1970 | 91,722 | 1969 | 83,708 | 1968 | 78,067 | 1967 | 73,691 | 1966 | 70,560 | 1965 | 68,324 | 1964 | 66,933 | 1963 | 66,186 | 1962 | 65,920 | 1961 | 65,905 | 1960 | 66,060 |
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