Year | Value | 2022 | 328,403 | 2021 | 322,982 | 2020 | 316,525 | 2019 | 312,562 | 2018 | 308,895 | 2017 | 305,384 | 2016 | 303,982 | 2015 | 303,409 | 2014 | 302,541 | 2013 | 303,119 | 2012 | 300,855 | 2011 | 294,036 | 2010 | 287,277 | 2009 | 280,624 | 2008 | 272,396 | 2007 | 264,964 | 2006 | 259,207 | 2005 | 253,351 | 2004 | 249,582 | 2003 | 248,985 | 2002 | 250,118 | 2001 | 253,409 | 2000 | 257,135 | 1999 | 257,885 | 1998 | 256,648 | 1997 | 256,426 | 1996 | 256,246 | 1995 | 254,542 | 1994 | 252,515 | 1993 | 251,364 | 1992 | 249,339 | 1991 | 246,788 | 1990 | 244,845 | 1989 | 243,482 | 1988 | 242,101 | 1987 | 239,921 | 1986 | 236,886 | 1985 | 233,002 | 1984 | 226,423 | 1983 | 216,560 | 1982 | 207,710 | 1981 | 200,665 | 1980 | 194,110 | 1979 | 191,655 | 1978 | 193,793 | 1977 | 196,347 | 1976 | 198,097 | 1975 | 196,929 | 1974 | 191,396 | 1973 | 187,436 | 1972 | 185,921 | 1971 | 184,763 | 1970 | 179,720 | 1969 | 175,351 | 1968 | 174,314 | 1967 | 171,244 | 1966 | 168,659 | 1965 | 168,306 | 1964 | 165,407 | 1963 | 158,982 | 1962 | 153,445 | 1961 | 147,974 | 1960 | 140,199 |
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