Year | Value | 2022 | 588,434 | 2021 | 553,116 | 2020 | 509,281 | 2019 | 463,839 | 2018 | 417,158 | 2017 | 369,851 | 2016 | 340,831 | 2015 | 332,370 | 2014 | 331,957 | 2013 | 337,401 | 2012 | 342,884 | 2011 | 339,606 | 2010 | 329,490 | 2009 | 315,575 | 2008 | 297,299 | 2007 | 283,518 | 2006 | 279,559 | 2005 | 276,476 | 2004 | 269,182 | 2003 | 261,436 | 2002 | 254,052 | 2001 | 247,108 | 2000 | 238,956 | 1999 | 230,226 | 1998 | 221,755 | 1997 | 213,798 | 1996 | 206,561 | 1995 | 199,826 | 1994 | 193,350 | 1993 | 184,920 | 1992 | 177,280 | 1991 | 173,289 | 1990 | 172,746 | 1989 | 171,826 | 1988 | 168,404 | 1987 | 165,390 | 1986 | 161,875 | 1985 | 159,563 | 1984 | 158,005 | 1983 | 155,885 | 1982 | 154,574 | 1981 | 154,110 | 1980 | 153,761 | 1979 | 153,395 | 1978 | 153,379 | 1977 | 153,539 | 1976 | 153,527 | 1975 | 153,133 | 1974 | 152,306 | 1973 | 150,709 | 1972 | 148,442 | 1971 | 146,300 | 1970 | 144,509 | 1969 | 142,856 | 1968 | 141,389 | 1967 | 140,019 | 1966 | 138,457 | 1965 | 136,454 | 1964 | 134,044 | 1963 | 131,286 | 1962 | 128,081 | 1961 | 124,514 | 1960 | 120,712 |
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