Year | Value | 2022 | 578,358 | 2021 | 556,158 | 2020 | 539,161 | 2019 | 519,947 | 2018 | 498,010 | 2017 | 482,038 | 2016 | 470,427 | 2015 | 461,568 | 2014 | 462,328 | 2013 | 472,271 | 2012 | 476,318 | 2011 | 463,534 | 2010 | 443,570 | 2009 | 423,794 | 2008 | 408,693 | 2007 | 387,423 | 2006 | 358,305 | 2005 | 337,542 | 2004 | 323,202 | 2003 | 309,116 | 2002 | 295,424 | 2001 | 282,368 | 2000 | 270,134 | 1999 | 258,946 | 1998 | 249,284 | 1997 | 239,504 | 1996 | 228,272 | 1995 | 216,826 | 1994 | 205,590 | 1993 | 194,498 | 1992 | 185,458 | 1991 | 179,139 | 1990 | 173,820 | 1989 | 169,279 | 1988 | 165,348 | 1987 | 161,558 | 1986 | 158,303 | 1985 | 155,833 | 1984 | 153,732 | 1983 | 151,659 | 1982 | 149,584 | 1981 | 147,159 | 1980 | 144,007 | 1979 | 140,220 | 1978 | 135,959 | 1977 | 131,413 | 1976 | 126,672 | 1975 | 121,775 | 1974 | 116,813 | 1973 | 111,854 | 1972 | 106,929 | 1971 | 102,035 | 1970 | 97,754 | 1969 | 93,990 | 1968 | 90,185 | 1967 | 86,534 | 1966 | 83,218 | 1965 | 80,412 | 1964 | 78,198 | 1963 | 76,545 | 1962 | 75,368 | 1961 | 74,572 | 1960 | 73,891 |
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