Year | Value | 2022 | 513,909 | 2021 | 492,862 | 2020 | 469,829 | 2019 | 445,554 | 2018 | 420,967 | 2017 | 397,163 | 2016 | 374,570 | 2015 | 354,803 | 2014 | 338,381 | 2013 | 324,512 | 2012 | 312,669 | 2011 | 302,071 | 2010 | 292,501 | 2009 | 283,612 | 2008 | 275,245 | 2007 | 267,381 | 2006 | 259,980 | 2005 | 253,203 | 2004 | 248,010 | 2003 | 242,542 | 2002 | 234,011 | 2001 | 223,568 | 2000 | 211,964 | 1999 | 198,074 | 1998 | 183,823 | 1997 | 173,588 | 1996 | 166,792 | 1995 | 162,975 | 1994 | 160,954 | 1993 | 159,036 | 1992 | 158,198 | 1991 | 158,171 | 1990 | 159,028 | 1989 | 160,455 | 1988 | 162,206 | 1987 | 164,207 | 1986 | 166,417 | 1985 | 168,766 | 1984 | 170,857 | 1983 | 172,653 | 1982 | 174,220 | 1981 | 175,410 | 1980 | 176,362 | 1979 | 176,781 | 1978 | 176,140 | 1977 | 174,702 | 1976 | 172,995 | 1975 | 171,169 | 1974 | 169,381 | 1973 | 167,715 | 1972 | 166,243 | 1971 | 164,604 | 1970 | 162,258 | 1969 | 159,386 | 1968 | 156,258 | 1967 | 152,931 | 1966 | 149,470 | 1965 | 145,833 | 1964 | 141,964 | 1963 | 137,870 | 1962 | 133,633 | 1961 | 129,336 | 1960 | 125,028 |
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