Year | Value | 2022 | 663,092 | 2021 | 630,255 | 2020 | 599,486 | 2019 | 569,876 | 2018 | 542,268 | 2017 | 517,311 | 2016 | 493,640 | 2015 | 471,515 | 2014 | 444,417 | 2013 | 409,097 | 2012 | 371,511 | 2011 | 333,792 | 2010 | 292,916 | 2009 | 261,980 | 2008 | 248,331 | 2007 | 243,538 | 2006 | 246,071 | 2005 | 254,597 | 2004 | 267,440 | 2003 | 284,132 | 2002 | 302,089 | 2001 | 317,334 | 2000 | 327,436 | 1999 | 331,448 | 1998 | 330,159 | 1997 | 322,552 | 1996 | 314,217 | 1995 | 308,782 | 1994 | 306,025 | 1993 | 304,429 | 1992 | 302,978 | 1991 | 299,272 | 1990 | 292,028 | 1989 | 281,727 | 1988 | 267,501 | 1987 | 250,626 | 1986 | 232,949 | 1985 | 215,717 | 1984 | 198,689 | 1983 | 181,413 | 1982 | 165,381 | 1981 | 152,639 | 1980 | 144,399 | 1979 | 140,831 | 1978 | 142,126 | 1977 | 146,662 | 1976 | 150,781 | 1975 | 152,500 | 1974 | 152,031 | 1973 | 149,213 | 1972 | 145,189 | 1971 | 144,034 | 1970 | 147,892 | 1969 | 155,724 | 1968 | 167,407 | 1967 | 181,491 | 1966 | 193,375 | 1965 | 200,107 | 1964 | 202,097 | 1963 | 199,881 | 1962 | 193,753 | 1961 | 185,463 | 1960 | 176,307 |
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