Year | Value | 2022 | 441,981 | 2021 | 435,878 | 2020 | 432,033 | 2019 | 429,418 | 2018 | 428,486 | 2017 | 427,745 | 2016 | 425,878 | 2015 | 426,244 | 2014 | 428,972 | 2013 | 429,938 | 2012 | 430,111 | 2011 | 432,489 | 2010 | 434,776 | 2009 | 435,965 | 2008 | 437,741 | 2007 | 439,837 | 2006 | 439,566 | 2005 | 434,156 | 2004 | 423,149 | 2003 | 408,353 | 2002 | 390,861 | 2001 | 371,713 | 2000 | 353,129 | 1999 | 337,643 | 1998 | 324,436 | 1997 | 311,932 | 1996 | 301,847 | 1995 | 294,336 | 1994 | 287,923 | 1993 | 283,434 | 1992 | 282,070 | 1991 | 280,567 | 1990 | 277,853 | 1989 | 273,918 | 1988 | 267,594 | 1987 | 259,958 | 1986 | 251,805 | 1985 | 244,120 | 1984 | 238,633 | 1983 | 235,241 | 1982 | 232,308 | 1981 | 229,352 | 1980 | 225,846 | 1979 | 221,227 | 1978 | 215,043 | 1977 | 207,299 | 1976 | 198,384 | 1975 | 188,705 | 1974 | 178,632 | 1973 | 168,434 | 1972 | 158,233 | 1971 | 148,096 | 1970 | 138,169 | 1969 | 129,397 | 1968 | 120,354 | 1967 | 110,765 | 1966 | 101,137 | 1965 | 91,213 | 1964 | 80,469 | 1963 | 71,498 | 1962 | 66,887 | 1961 | 65,946 | 1960 | 69,360 |
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