Year | Value | 2022 | 460,675 | 2021 | 467,731 | 2020 | 466,850 | 2019 | 452,073 | 2018 | 433,849 | 2017 | 407,338 | 2016 | 371,544 | 2015 | 347,968 | 2014 | 337,280 | 2013 | 324,683 | 2012 | 314,427 | 2011 | 306,088 | 2010 | 297,166 | 2009 | 287,647 | 2008 | 278,826 | 2007 | 272,593 | 2006 | 268,875 | 2005 | 265,933 | 2004 | 263,215 | 2003 | 260,226 | 2002 | 256,286 | 2001 | 251,305 | 2000 | 245,898 | 1999 | 241,289 | 1998 | 239,109 | 1997 | 238,025 | 1996 | 237,526 | 1995 | 237,927 | 1994 | 235,293 | 1993 | 227,466 | 1992 | 219,104 | 1991 | 211,520 | 1990 | 202,879 | 1989 | 198,582 | 1988 | 199,936 | 1987 | 200,802 | 1986 | 199,721 | 1985 | 198,089 | 1984 | 196,146 | 1983 | 193,431 | 1982 | 190,622 | 1981 | 188,650 | 1980 | 187,062 | 1979 | 184,666 | 1978 | 182,247 | 1977 | 180,128 | 1976 | 178,237 | 1975 | 175,457 | 1974 | 171,511 | 1973 | 167,883 | 1972 | 164,752 | 1971 | 162,157 | 1970 | 160,509 | 1969 | 159,167 | 1968 | 157,987 | 1967 | 156,231 | 1966 | 153,428 | 1965 | 150,379 | 1964 | 147,415 | 1963 | 144,499 | 1962 | 142,130 | 1961 | 139,837 | 1960 | 137,704 |
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