Year | Value | 2022 | 178,958 | 2021 | 174,708 | 2020 | 183,481 | 2019 | 191,066 | 2018 | 196,287 | 2017 | 200,242 | 2016 | 203,917 | 2015 | 207,785 | 2014 | 212,242 | 2013 | 216,595 | 2012 | 220,617 | 2011 | 223,835 | 2010 | 226,143 | 2009 | 229,186 | 2008 | 232,670 | 2007 | 235,419 | 2006 | 237,946 | 2005 | 239,277 | 2004 | 238,524 | 2003 | 235,796 | 2002 | 230,645 | 2001 | 222,881 | 2000 | 214,614 | 1999 | 206,353 | 1998 | 197,736 | 1997 | 190,977 | 1996 | 187,376 | 1995 | 186,665 | 1994 | 188,232 | 1993 | 191,682 | 1992 | 195,074 | 1991 | 198,305 | 1990 | 201,446 | 1989 | 202,950 | 1988 | 204,719 | 1987 | 209,182 | 1986 | 214,645 | 1985 | 218,953 | 1984 | 222,621 | 1983 | 225,155 | 1982 | 225,790 | 1981 | 225,053 | 1980 | 223,242 | 1979 | 219,231 | 1978 | 213,248 | 1977 | 206,074 | 1976 | 195,583 | 1975 | 182,380 | 1974 | 171,467 | 1973 | 162,580 | 1972 | 153,741 | 1971 | 148,322 | 1970 | 148,041 | 1969 | 148,026 | 1968 | 146,326 | 1967 | 144,845 | 1966 | 142,704 | 1965 | 140,245 | 1964 | 138,950 | 1963 | 139,328 | 1962 | 141,317 | 1961 | 144,702 | 1960 | 145,486 |
|