Year | Value | 2022 | 140,037 | 2021 | 145,883 | 2020 | 145,373 | 2019 | 145,381 | 2018 | 150,963 | 2017 | 161,723 | 2016 | 173,367 | 2015 | 186,373 | 2014 | 200,868 | 2013 | 214,196 | 2012 | 225,860 | 2011 | 235,940 | 2010 | 243,113 | 2009 | 247,034 | 2008 | 249,811 | 2007 | 252,480 | 2006 | 254,859 | 2005 | 257,900 | 2004 | 263,271 | 2003 | 269,672 | 2002 | 276,564 | 2001 | 288,105 | 2000 | 298,499 | 1999 | 303,007 | 1998 | 304,954 | 1997 | 302,048 | 1996 | 296,851 | 1995 | 293,040 | 1994 | 290,330 | 1993 | 289,642 | 1992 | 290,794 | 1991 | 290,449 | 1990 | 289,111 | 1989 | 290,520 | 1988 | 290,355 | 1987 | 289,922 | 1986 | 293,768 | 1985 | 298,646 | 1984 | 301,346 | 1983 | 302,192 | 1982 | 304,189 | 1981 | 306,737 | 1980 | 309,084 | 1979 | 311,745 | 1978 | 316,327 | 1977 | 320,785 | 1976 | 322,538 | 1975 | 324,508 | 1974 | 329,519 | 1973 | 336,077 | 1972 | 342,468 | 1971 | 348,974 | 1970 | 353,018 | 1969 | 349,564 | 1968 | 339,187 | 1967 | 326,493 | 1966 | 313,155 | 1965 | 300,866 | 1964 | 292,075 | 1963 | 287,426 | 1962 | 286,452 | 1961 | 288,760 | 1960 | 294,577 |
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