Year | Value | 2022 | 657,833 | 2021 | 641,611 | 2020 | 626,840 | 2019 | 613,724 | 2018 | 603,037 | 2017 | 591,204 | 2016 | 575,775 | 2015 | 558,289 | 2014 | 539,983 | 2013 | 519,704 | 2012 | 497,961 | 2011 | 475,388 | 2010 | 453,005 | 2009 | 432,264 | 2008 | 413,919 | 2007 | 397,589 | 2006 | 383,319 | 2005 | 371,611 | 2004 | 361,481 | 2003 | 351,963 | 2002 | 343,205 | 2001 | 335,343 | 2000 | 328,260 | 1999 | 322,160 | 1998 | 317,076 | 1997 | 312,191 | 1996 | 305,190 | 1995 | 295,805 | 1994 | 282,963 | 1993 | 270,316 | 1992 | 262,487 | 1991 | 256,111 | 1990 | 250,674 | 1989 | 246,975 | 1988 | 245,602 | 1987 | 249,964 | 1986 | 255,677 | 1985 | 257,262 | 1984 | 256,342 | 1983 | 252,865 | 1982 | 247,735 | 1981 | 242,298 | 1980 | 236,600 | 1979 | 229,226 | 1978 | 221,011 | 1977 | 214,205 | 1976 | 208,851 | 1975 | 206,144 | 1974 | 205,942 | 1973 | 205,798 | 1972 | 204,443 | 1971 | 201,594 | 1970 | 197,586 | 1969 | 193,443 | 1968 | 189,796 | 1967 | 186,530 | 1966 | 183,684 | 1965 | 181,142 | 1964 | 178,893 | 1963 | 177,002 | 1962 | 175,214 | 1961 | 173,475 | 1960 | 171,752 |
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