Year | Value | 2022 | 467,176 | 2021 | 460,984 | 2020 | 457,145 | 2019 | 452,244 | 2018 | 446,774 | 2017 | 441,452 | 2016 | 434,711 | 2015 | 429,922 | 2014 | 429,591 | 2013 | 429,449 | 2012 | 428,430 | 2011 | 430,100 | 2010 | 431,780 | 2009 | 431,825 | 2008 | 432,198 | 2007 | 432,861 | 2006 | 430,961 | 2005 | 424,163 | 2004 | 412,553 | 2003 | 397,532 | 2002 | 379,726 | 2001 | 360,472 | 2000 | 342,360 | 1999 | 327,485 | 1998 | 314,781 | 1997 | 302,346 | 1996 | 292,312 | 1995 | 285,383 | 1994 | 279,597 | 1993 | 276,484 | 1992 | 277,122 | 1991 | 275,553 | 1990 | 270,735 | 1989 | 265,334 | 1988 | 260,314 | 1987 | 256,133 | 1986 | 252,210 | 1985 | 249,303 | 1984 | 245,978 | 1983 | 242,271 | 1982 | 239,018 | 1981 | 235,732 | 1980 | 231,885 | 1979 | 226,925 | 1978 | 220,405 | 1977 | 212,321 | 1976 | 203,059 | 1975 | 193,025 | 1974 | 182,576 | 1973 | 172,001 | 1972 | 161,448 | 1971 | 150,969 | 1970 | 140,707 | 1969 | 130,618 | 1968 | 119,872 | 1967 | 108,792 | 1966 | 97,877 | 1965 | 87,639 | 1964 | 78,091 | 1963 | 70,666 | 1962 | 67,702 | 1961 | 68,721 | 1960 | 72,632 |
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