Year | Value | 2022 | 231,768 | 2021 | 233,841 | 2020 | 236,426 | 2019 | 239,325 | 2018 | 242,459 | 2017 | 247,148 | 2016 | 253,295 | 2015 | 260,951 | 2014 | 259,781 | 2013 | 239,853 | 2012 | 223,932 | 2011 | 223,971 | 2010 | 228,064 | 2009 | 232,389 | 2008 | 234,523 | 2007 | 233,937 | 2006 | 231,295 | 2005 | 228,366 | 2004 | 225,407 | 2003 | 222,739 | 2002 | 221,056 | 2001 | 219,215 | 2000 | 216,293 | 1999 | 212,400 | 1998 | 207,846 | 1997 | 203,453 | 1996 | 199,011 | 1995 | 194,346 | 1994 | 190,444 | 1993 | 187,501 | 1992 | 184,893 | 1991 | 182,635 | 1990 | 181,156 | 1989 | 179,774 | 1988 | 177,987 | 1987 | 176,083 | 1986 | 173,313 | 1985 | 170,676 | 1984 | 169,084 | 1983 | 167,926 | 1982 | 167,059 | 1981 | 165,604 | 1980 | 163,377 | 1979 | 160,869 | 1978 | 176,997 | 1977 | 192,426 | 1976 | 169,846 | 1975 | 147,479 | 1974 | 143,985 | 1973 | 140,454 | 1972 | 136,818 | 1971 | 133,090 | 1970 | 129,475 | 1969 | 124,090 | 1968 | 116,452 | 1967 | 108,155 | 1966 | 99,303 | 1965 | 90,368 | 1964 | 83,439 | 1963 | 78,710 | 1962 | 75,072 | 1961 | 72,564 | 1960 | 70,820 |
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