Year | Value | 2022 | 648,651 | 2021 | 640,889 | 2020 | 632,575 | 2019 | 623,748 | 2018 | 614,814 | 2017 | 605,915 | 2016 | 597,485 | 2015 | 590,103 | 2014 | 582,771 | 2013 | 574,183 | 2012 | 564,433 | 2011 | 552,678 | 2010 | 538,394 | 2009 | 523,233 | 2008 | 508,744 | 2007 | 495,117 | 2006 | 482,330 | 2005 | 470,719 | 2004 | 459,863 | 2003 | 448,573 | 2002 | 436,535 | 2001 | 424,674 | 2000 | 413,611 | 1999 | 403,428 | 1998 | 394,252 | 1997 | 386,196 | 1996 | 377,222 | 1995 | 366,019 | 1994 | 352,595 | 1993 | 354,073 | 1992 | 359,232 | 1991 | 351,549 | 1990 | 343,713 | 1989 | 335,931 | 1988 | 328,158 | 1987 | 320,252 | 1986 | 312,496 | 1985 | 304,929 | 1984 | 297,065 | 1983 | 288,954 | 1982 | 280,938 | 1981 | 273,221 | 1980 | 266,045 | 1979 | 259,486 | 1978 | 253,339 | 1977 | 247,293 | 1976 | 241,162 | 1975 | 235,002 | 1974 | 228,869 | 1973 | 222,671 | 1972 | 216,399 | 1971 | 209,920 | 1970 | 202,903 | 1969 | 195,216 | 1968 | 187,164 | 1967 | 179,139 | 1966 | 171,584 | 1965 | 165,121 | 1964 | 160,025 | 1963 | 156,022 | 1962 | 152,673 | 1961 | 149,692 | 1960 | 146,904 |
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