Year | Value | 2022 | 501,737 | 2021 | 487,096 | 2020 | 472,598 | 2019 | 460,433 | 2018 | 452,085 | 2017 | 446,575 | 2016 | 443,432 | 2015 | 441,782 | 2014 | 440,527 | 2013 | 437,001 | 2012 | 430,191 | 2011 | 421,555 | 2010 | 411,594 | 2009 | 401,176 | 2008 | 391,468 | 2007 | 382,355 | 2006 | 373,785 | 2005 | 365,828 | 2004 | 358,199 | 2003 | 350,581 | 2002 | 342,908 | 2001 | 336,016 | 2000 | 329,189 | 1999 | 321,707 | 1998 | 314,358 | 1997 | 307,313 | 1996 | 300,404 | 1995 | 293,744 | 1994 | 287,240 | 1993 | 280,788 | 1992 | 274,444 | 1991 | 267,710 | 1990 | 260,445 | 1989 | 252,851 | 1988 | 246,115 | 1987 | 240,871 | 1986 | 236,191 | 1985 | 231,539 | 1984 | 226,784 | 1983 | 221,908 | 1982 | 216,849 | 1981 | 211,695 | 1980 | 206,599 | 1979 | 202,101 | 1978 | 198,646 | 1977 | 196,206 | 1976 | 194,670 | 1975 | 192,650 | 1974 | 189,687 | 1973 | 186,567 | 1972 | 183,027 | 1971 | 178,882 | 1970 | 174,257 | 1969 | 169,250 | 1968 | 164,017 | 1967 | 158,952 | 1966 | 154,284 | 1965 | 150,026 | 1964 | 146,177 | 1963 | 142,707 | 1962 | 139,567 | 1961 | 136,674 | 1960 | 134,008 |
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