Year | Value | 2022 | 342,838 | 2021 | 339,515 | 2020 | 336,768 | 2019 | 334,633 | 2018 | 332,755 | 2017 | 332,461 | 2016 | 332,609 | 2015 | 333,267 | 2014 | 332,056 | 2013 | 330,308 | 2012 | 329,168 | 2011 | 326,026 | 2010 | 326,353 | 2009 | 330,403 | 2008 | 340,792 | 2007 | 352,045 | 2006 | 358,705 | 2005 | 360,048 | 2004 | 357,117 | 2003 | 349,373 | 2002 | 343,462 | 2001 | 336,030 | 2000 | 325,539 | 1999 | 311,674 | 1998 | 296,607 | 1997 | 281,724 | 1996 | 267,271 | 1995 | 244,214 | 1994 | 230,403 | 1993 | 217,231 | 1992 | 204,899 | 1991 | 193,442 | 1990 | 178,132 | 1989 | 160,802 | 1988 | 143,427 | 1987 | 127,897 | 1986 | 114,401 | 1985 | 106,273 | 1984 | 103,639 | 1983 | 104,405 | 1982 | 107,148 | 1981 | 110,271 | 1980 | 111,637 | 1979 | 112,254 | 1978 | 110,311 | 1977 | 113,017 | 1976 | 116,357 | 1975 | 120,081 | 1974 | 122,577 | 1973 | 122,395 | 1972 | 121,899 | 1971 | 121,570 | 1970 | 119,246 | 1969 | 115,544 | 1968 | 112,948 | 1967 | 110,443 | 1966 | 108,060 | 1965 | 108,017 | 1964 | 105,791 | 1963 | 103,185 | 1962 | 99,115 | 1961 | 94,345 | 1960 | 91,993 |
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