Year | Value | 2022 | 462,969 | 2021 | 444,711 | 2020 | 425,837 | 2019 | 407,237 | 2018 | 389,165 | 2017 | 371,351 | 2016 | 353,729 | 2015 | 336,691 | 2014 | 320,458 | 2013 | 304,967 | 2012 | 291,545 | 2011 | 278,856 | 2010 | 265,606 | 2009 | 253,324 | 2008 | 242,001 | 2007 | 231,783 | 2006 | 222,912 | 2005 | 215,385 | 2004 | 209,001 | 2003 | 203,392 | 2002 | 198,408 | 2001 | 194,149 | 2000 | 190,615 | 1999 | 187,756 | 1998 | 185,707 | 1997 | 184,587 | 1996 | 184,122 | 1995 | 183,798 | 1994 | 182,812 | 1993 | 181,528 | 1992 | 180,517 | 1991 | 179,026 | 1990 | 176,811 | 1989 | 175,366 | 1988 | 175,107 | 1987 | 175,049 | 1986 | 175,226 | 1985 | 174,987 | 1984 | 172,484 | 1983 | 167,464 | 1982 | 161,445 | 1981 | 155,520 | 1980 | 150,330 | 1979 | 146,723 | 1978 | 144,716 | 1977 | 143,463 | 1976 | 142,643 | 1975 | 141,951 | 1974 | 141,311 | 1973 | 140,777 | 1972 | 140,314 | 1971 | 140,046 | 1970 | 139,891 | 1969 | 139,703 | 1968 | 139,446 | 1967 | 139,170 | 1966 | 139,073 | 1965 | 139,224 | 1964 | 139,574 | 1963 | 140,163 | 1962 | 140,816 | 1961 | 141,118 | 1960 | 140,865 |
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