Year | Value | 2022 | 530,140 | 2021 | 506,923 | 2020 | 487,699 | 2019 | 471,136 | 2018 | 458,731 | 2017 | 449,644 | 2016 | 442,375 | 2015 | 435,968 | 2014 | 429,206 | 2013 | 420,937 | 2012 | 410,839 | 2011 | 398,941 | 2010 | 385,129 | 2009 | 369,518 | 2008 | 352,611 | 2007 | 335,144 | 2006 | 317,532 | 2005 | 300,146 | 2004 | 285,638 | 2003 | 273,499 | 2002 | 260,861 | 2001 | 248,755 | 2000 | 238,810 | 1999 | 228,463 | 1998 | 217,897 | 1997 | 210,844 | 1996 | 206,381 | 1995 | 202,514 | 1994 | 199,360 | 1993 | 197,352 | 1992 | 195,520 | 1991 | 193,915 | 1990 | 193,105 | 1989 | 193,047 | 1988 | 193,226 | 1987 | 193,108 | 1986 | 192,630 | 1985 | 191,426 | 1984 | 188,693 | 1983 | 184,704 | 1982 | 180,025 | 1981 | 174,374 | 1980 | 168,338 | 1979 | 162,487 | 1978 | 156,422 | 1977 | 150,378 | 1976 | 144,515 | 1975 | 139,174 | 1974 | 134,710 | 1973 | 130,537 | 1972 | 126,187 | 1971 | 121,554 | 1970 | 117,385 | 1969 | 114,183 | 1968 | 111,545 | 1967 | 108,963 | 1966 | 106,156 | 1965 | 103,436 | 1964 | 101,083 | 1963 | 98,975 | 1962 | 97,217 | 1961 | 95,732 | 1960 | 92,684 |
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