Year | Value | 2022 | 290,841 | 2021 | 284,758 | 2020 | 278,893 | 2019 | 273,222 | 2018 | 266,954 | 2017 | 259,984 | 2016 | 254,444 | 2015 | 251,157 | 2014 | 248,948 | 2013 | 246,212 | 2012 | 244,220 | 2011 | 286,959 | 2010 | 330,879 | 2009 | 331,862 | 2008 | 330,963 | 2007 | 330,064 | 2006 | 331,065 | 2005 | 328,810 | 2004 | 321,873 | 2003 | 313,402 | 2002 | 302,576 | 2001 | 289,741 | 2000 | 275,591 | 1999 | 265,292 | 1998 | 259,164 | 1997 | 252,031 | 1996 | 244,466 | 1995 | 237,716 | 1994 | 232,045 | 1993 | 228,084 | 1992 | 226,987 | 1991 | 228,214 | 1990 | 230,121 | 1989 | 231,455 | 1988 | 230,582 | 1987 | 226,577 | 1986 | 219,268 | 1985 | 208,812 | 1984 | 196,205 | 1983 | 181,475 | 1982 | 165,887 | 1981 | 151,338 | 1980 | 137,760 | 1979 | 125,231 | 1978 | 113,755 | 1977 | 103,306 | 1976 | 94,008 | 1975 | 85,920 | 1974 | 79,486 | 1973 | 75,649 | 1972 | 74,224 | 1971 | 73,948 | 1970 | 73,934 | 1969 | 73,596 | 1968 | 73,222 | 1967 | 72,765 | 1966 | 71,763 | 1965 | 70,475 | 1964 | 68,863 | 1963 | 66,707 | 1962 | 64,235 | 1961 | 61,911 | 1960 | 59,837 |
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