Year | Value | 2022 | 544,831 | 2021 | 526,730 | 2020 | 507,800 | 2019 | 488,048 | 2018 | 469,717 | 2017 | 452,217 | 2016 | 435,636 | 2015 | 421,102 | 2014 | 405,256 | 2013 | 388,225 | 2012 | 372,810 | 2011 | 356,172 | 2010 | 341,666 | 2009 | 330,306 | 2008 | 317,459 | 2007 | 309,950 | 2006 | 303,380 | 2005 | 289,895 | 2004 | 280,458 | 2003 | 273,866 | 2002 | 259,667 | 2001 | 249,981 | 2000 | 255,761 | 1999 | 257,632 | 1998 | 248,753 | 1997 | 238,425 | 1996 | 227,654 | 1995 | 217,133 | 1994 | 203,763 | 1993 | 184,941 | 1992 | 160,213 | 1991 | 144,099 | 1990 | 144,782 | 1989 | 145,696 | 1988 | 142,706 | 1987 | 142,312 | 1986 | 144,244 | 1985 | 145,451 | 1984 | 142,021 | 1983 | 138,203 | 1982 | 140,378 | 1981 | 155,651 | 1980 | 174,798 | 1979 | 182,380 | 1978 | 182,308 | 1977 | 179,394 | 1976 | 176,327 | 1975 | 173,135 | 1974 | 169,628 | 1973 | 165,993 | 1972 | 162,421 | 1971 | 159,087 | 1970 | 155,839 | 1969 | 152,629 | 1968 | 149,571 | 1967 | 146,604 | 1966 | 143,757 | 1965 | 141,000 | 1964 | 138,330 | 1963 | 135,798 | 1962 | 133,372 | 1961 | 131,065 | 1960 | 128,905 |
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