Year | Value | 2022 | 649,258 | 2021 | 627,691 | 2020 | 609,307 | 2019 | 595,394 | 2018 | 584,413 | 2017 | 574,753 | 2016 | 565,491 | 2015 | 557,007 | 2014 | 550,312 | 2013 | 545,276 | 2012 | 541,053 | 2011 | 537,769 | 2010 | 535,938 | 2009 | 534,780 | 2008 | 532,214 | 2007 | 526,018 | 2006 | 515,415 | 2005 | 500,316 | 2004 | 480,360 | 2003 | 456,272 | 2002 | 433,015 | 2001 | 414,495 | 2000 | 399,293 | 1999 | 386,095 | 1998 | 374,848 | 1997 | 355,874 | 1996 | 304,924 | 1995 | 253,064 | 1994 | 291,763 | 1993 | 336,486 | 1992 | 321,886 | 1991 | 311,324 | 1990 | 303,182 | 1989 | 297,808 | 1988 | 294,036 | 1987 | 289,242 | 1986 | 283,652 | 1985 | 279,097 | 1984 | 276,318 | 1983 | 273,816 | 1982 | 268,648 | 1981 | 260,901 | 1980 | 252,735 | 1979 | 245,039 | 1978 | 238,167 | 1977 | 231,721 | 1976 | 225,011 | 1975 | 218,093 | 1974 | 210,960 | 1973 | 201,950 | 1972 | 191,283 | 1971 | 180,147 | 1970 | 167,780 | 1969 | 154,388 | 1968 | 142,193 | 1967 | 131,573 | 1966 | 122,174 | 1965 | 115,168 | 1964 | 110,772 | 1963 | 108,956 | 1962 | 108,935 | 1961 | 109,750 | 1960 | 110,869 |
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