Year | Value | 2022 | 287,943 | 2021 | 275,112 | 2020 | 265,226 | 2019 | 261,083 | 2018 | 259,448 | 2017 | 260,948 | 2016 | 265,637 | 2015 | 273,434 | 2014 | 281,419 | 2013 | 288,433 | 2012 | 296,014 | 2011 | 303,384 | 2010 | 308,755 | 2009 | 313,429 | 2008 | 316,095 | 2007 | 314,664 | 2006 | 311,078 | 2005 | 305,275 | 2004 | 297,059 | 2003 | 288,150 | 2002 | 278,314 | 2001 | 266,683 | 2000 | 254,946 | 1999 | 244,353 | 1998 | 235,253 | 1997 | 227,800 | 1996 | 222,870 | 1995 | 219,787 | 1994 | 217,951 | 1993 | 217,344 | 1992 | 216,610 | 1991 | 213,834 | 1990 | 209,957 | 1989 | 206,846 | 1988 | 204,508 | 1987 | 203,016 | 1986 | 201,955 | 1985 | 202,357 | 1984 | 204,286 | 1983 | 205,727 | 1982 | 205,836 | 1981 | 205,440 | 1980 | 204,057 | 1979 | 201,302 | 1978 | 196,969 | 1977 | 191,084 | 1976 | 183,753 | 1975 | 175,780 | 1974 | 167,822 | 1973 | 160,344 | 1972 | 154,089 | 1971 | 148,810 | 1970 | 144,248 | 1969 | 138,257 | 1968 | 130,030 | 1967 | 121,940 | 1966 | 114,086 | 1965 | 104,403 | 1964 | 92,231 | 1963 | 78,967 | 1962 | 68,076 | 1961 | 62,924 | 1960 | 62,820 |
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