| Year | Value | | 2022 | 440,184 | | 2021 | 421,579 | | 2020 | 403,746 | | 2019 | 385,811 | | 2018 | 367,955 | | 2017 | 350,432 | | 2016 | 333,864 | | 2015 | 318,742 | | 2014 | 304,523 | | 2013 | 291,042 | | 2012 | 278,389 | | 2011 | 266,360 | | 2010 | 255,172 | | 2009 | 245,024 | | 2008 | 235,871 | | 2007 | 227,610 | | 2006 | 220,065 | | 2005 | 213,240 | | 2004 | 208,690 | | 2003 | 206,542 | | 2002 | 206,048 | | 2001 | 206,708 | | 2000 | 207,072 | | 1999 | 205,591 | | 1998 | 202,149 | | 1997 | 197,266 | | 1996 | 191,553 | | 1995 | 186,370 | | 1994 | 181,511 | | 1993 | 176,828 | | 1992 | 172,441 | | 1991 | 167,974 | | 1990 | 163,236 | | 1989 | 158,491 | | 1988 | 153,851 | | 1987 | 149,230 | | 1986 | 145,076 | | 1985 | 141,318 | | 1984 | 137,605 | | 1983 | 134,054 | | 1982 | 130,711 | | 1981 | 127,620 | | 1980 | 124,772 | | 1979 | 122,122 | | 1978 | 119,591 | | 1977 | 117,146 | | 1976 | 114,787 | | 1975 | 112,506 | | 1974 | 110,299 | | 1973 | 108,175 | | 1972 | 106,136 | | 1971 | 104,183 | | 1970 | 102,326 | | 1969 | 100,574 | | 1968 | 98,971 | | 1967 | 97,509 | | 1966 | 96,106 | | 1965 | 94,736 | | 1964 | 93,413 | | 1963 | 92,225 | | 1962 | 91,091 | | 1961 | 89,823 | | 1960 | 88,464 |
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