Year | Value | 2022 | 417,850 | 2021 | 449,742 | 2020 | 474,193 | 2019 | 491,951 | 2018 | 503,538 | 2017 | 507,948 | 2016 | 509,365 | 2015 | 513,972 | 2014 | 521,552 | 2013 | 526,939 | 2012 | 526,429 | 2011 | 516,980 | 2010 | 497,114 | 2009 | 468,199 | 2008 | 433,442 | 2007 | 399,490 | 2006 | 372,674 | 2005 | 354,310 | 2004 | 342,959 | 2003 | 338,389 | 2002 | 337,951 | 2001 | 338,439 | 2000 | 338,414 | 1999 | 337,195 | 1998 | 334,605 | 1997 | 331,109 | 1996 | 326,786 | 1995 | 321,611 | 1994 | 315,906 | 1993 | 309,999 | 1992 | 303,888 | 1991 | 297,570 | 1990 | 290,901 | 1989 | 283,848 | 1988 | 276,500 | 1987 | 268,694 | 1986 | 260,263 | 1985 | 251,508 | 1984 | 242,940 | 1983 | 234,831 | 1982 | 227,698 | 1981 | 222,052 | 1980 | 218,843 | 1979 | 217,324 | 1978 | 215,996 | 1977 | 214,730 | 1976 | 213,172 | 1975 | 211,229 | 1974 | 208,939 | 1973 | 206,309 | 1972 | 203,502 | 1971 | 200,776 | 1970 | 197,881 | 1969 | 194,861 | 1968 | 192,068 | 1967 | 189,580 | 1966 | 187,573 | 1965 | 186,092 | 1964 | 185,078 | 1963 | 184,598 | 1962 | 184,330 | 1961 | 183,492 | 1960 | 181,619 |
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