| Year | Value | | 2022 | 1,092,016 | | 2021 | 1,114,891 | | 2020 | 1,131,306 | | 2019 | 1,141,944 | | 2018 | 1,157,764 | | 2017 | 1,182,391 | | 2016 | 1,211,804 | | 2015 | 1,241,157 | | 2014 | 1,265,705 | | 2013 | 1,281,372 | | 2012 | 1,284,945 | | 2011 | 1,273,861 | | 2010 | 1,246,044 | | 2009 | 1,135,376 | | 2008 | 942,064 | | 2007 | 750,961 | | 2006 | 596,978 | | 2005 | 502,970 | | 2004 | 450,118 | | 2003 | 408,062 | | 2002 | 372,672 | | 2001 | 343,344 | | 2000 | 318,503 | | 1999 | 296,721 | | 1998 | 277,556 | | 1997 | 261,353 | | 1996 | 249,128 | | 1995 | 235,845 | | 1994 | 221,365 | | 1993 | 210,752 | | 1992 | 202,733 | | 1991 | 195,755 | | 1990 | 188,412 | | 1989 | 180,197 | | 1988 | 171,543 | | 1987 | 163,053 | | 1986 | 155,273 | | 1985 | 149,464 | | 1984 | 145,205 | | 1983 | 140,290 | | 1982 | 133,691 | | 1981 | 125,451 | | 1980 | 112,494 | | 1979 | 96,394 | | 1978 | 81,932 | | 1977 | 68,854 | | 1976 | 57,197 | | 1975 | 47,917 | | 1974 | 41,040 | | 1973 | 35,463 | | 1972 | 30,644 | | 1971 | 26,236 | | 1970 | 22,092 | | 1969 | 18,257 | | 1968 | 15,027 | | 1967 | 12,989 | | 1966 | 11,752 | | 1965 | 10,576 | | 1964 | 9,485 | | 1963 | 8,496 | | 1962 | 7,620 | | 1961 | 6,847 | | 1960 | 6,165 |
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