Year | Value | 2022 | 307,076 | 2021 | 306,764 | 2020 | 304,909 | 2019 | 301,694 | 2018 | 298,316 | 2017 | 295,564 | 2016 | 293,265 | 2015 | 289,787 | 2014 | 285,251 | 2013 | 279,932 | 2012 | 274,369 | 2011 | 268,865 | 2010 | 264,812 | 2009 | 261,989 | 2008 | 258,939 | 2007 | 257,578 | 2006 | 260,011 | 2005 | 265,291 | 2004 | 271,399 | 2003 | 277,928 | 2002 | 283,958 | 2001 | 288,547 | 2000 | 293,370 | 1999 | 298,814 | 1998 | 303,169 | 1997 | 305,576 | 1996 | 305,131 | 1995 | 301,810 | 1994 | 295,892 | 1993 | 287,752 | 1992 | 279,738 | 1991 | 269,666 | 1990 | 259,812 | 1989 | 253,918 | 1988 | 249,006 | 1987 | 245,165 | 1986 | 242,283 | 1985 | 240,907 | 1984 | 241,276 | 1983 | 243,248 | 1982 | 245,585 | 1981 | 247,929 | 1980 | 249,124 | 1979 | 248,857 | 1978 | 247,977 | 1977 | 246,065 | 1976 | 243,807 | 1975 | 241,123 | 1974 | 235,963 | 1973 | 228,862 | 1972 | 222,183 | 1971 | 216,953 | 1970 | 213,799 | 1969 | 210,804 | 1968 | 207,676 | 1967 | 205,489 | 1966 | 203,571 | 1965 | 202,098 | 1964 | 200,732 | 1963 | 198,597 | 1962 | 195,700 | 1961 | 192,704 | 1960 | 190,454 |
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