Year | Value | 2022 | 331,183 | 2021 | 337,053 | 2020 | 339,467 | 2019 | 340,198 | 2018 | 339,857 | 2017 | 337,250 | 2016 | 332,226 | 2015 | 324,994 | 2014 | 315,748 | 2013 | 304,873 | 2012 | 293,302 | 2011 | 281,755 | 2010 | 270,875 | 2009 | 261,428 | 2008 | 254,083 | 2007 | 249,407 | 2006 | 249,952 | 2005 | 255,097 | 2004 | 261,157 | 2003 | 266,898 | 2002 | 271,376 | 2001 | 273,944 | 2000 | 274,884 | 1999 | 274,657 | 1998 | 273,493 | 1997 | 271,681 | 1996 | 269,356 | 1995 | 266,271 | 1994 | 263,014 | 1993 | 260,075 | 1992 | 257,124 | 1991 | 254,985 | 1990 | 253,955 | 1989 | 253,059 | 1988 | 250,705 | 1987 | 246,367 | 1986 | 240,573 | 1985 | 233,581 | 1984 | 226,305 | 1983 | 219,823 | 1982 | 214,064 | 1981 | 210,945 | 1980 | 208,190 | 1979 | 202,571 | 1978 | 196,064 | 1977 | 189,345 | 1976 | 183,160 | 1975 | 177,698 | 1974 | 172,231 | 1973 | 166,314 | 1972 | 160,213 | 1971 | 154,387 | 1970 | 149,012 | 1969 | 144,795 | 1968 | 141,898 | 1967 | 139,471 | 1966 | 137,159 | 1965 | 134,862 | 1964 | 132,736 | 1963 | 131,016 | 1962 | 129,462 | 1961 | 127,011 | 1960 | 123,530 |
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