Year | Value | 2022 | 412,401 | 2021 | 399,335 | 2020 | 388,823 | 2019 | 395,283 | 2018 | 401,595 | 2017 | 410,378 | 2016 | 417,845 | 2015 | 420,482 | 2014 | 419,244 | 2013 | 417,080 | 2012 | 416,445 | 2011 | 416,623 | 2010 | 418,049 | 2009 | 422,008 | 2008 | 422,799 | 2007 | 416,676 | 2006 | 402,154 | 2005 | 383,918 | 2004 | 364,692 | 2003 | 348,205 | 2002 | 335,988 | 2001 | 323,238 | 2000 | 314,045 | 1999 | 306,380 | 1998 | 283,015 | 1997 | 255,793 | 1996 | 233,833 | 1995 | 215,394 | 1994 | 206,391 | 1993 | 216,364 | 1992 | 237,863 | 1991 | 261,314 | 1990 | 284,709 | 1989 | 299,764 | 1988 | 302,834 | 1987 | 302,107 | 1986 | 301,554 | 1985 | 298,013 | 1984 | 290,616 | 1983 | 283,016 | 1982 | 274,048 | 1981 | 263,503 | 1980 | 256,415 | 1979 | 247,711 | 1978 | 235,996 | 1977 | 224,056 | 1976 | 211,656 | 1975 | 199,531 | 1974 | 188,368 | 1973 | 179,682 | 1972 | 169,436 | 1971 | 159,791 | 1970 | 152,197 | 1969 | 145,660 | 1968 | 140,146 | 1967 | 136,092 | 1966 | 133,290 | 1965 | 129,792 | 1964 | 125,137 | 1963 | 118,669 | 1962 | 112,904 | 1961 | 108,045 | 1960 | 103,074 |
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