Year | Value | 2022 | 381,059 | 2021 | 374,256 | 2020 | 369,095 | 2019 | 363,338 | 2018 | 356,731 | 2017 | 350,925 | 2016 | 345,197 | 2015 | 339,400 | 2014 | 334,614 | 2013 | 332,152 | 2012 | 331,226 | 2011 | 331,374 | 2010 | 325,698 | 2009 | 316,373 | 2008 | 305,545 | 2007 | 290,050 | 2006 | 269,954 | 2005 | 255,427 | 2004 | 250,907 | 2003 | 250,842 | 2002 | 254,761 | 2001 | 262,408 | 2000 | 269,358 | 1999 | 272,228 | 1998 | 272,941 | 1997 | 276,052 | 1996 | 282,407 | 1995 | 289,852 | 1994 | 295,282 | 1993 | 297,731 | 1992 | 297,679 | 1991 | 295,869 | 1990 | 294,317 | 1989 | 294,417 | 1988 | 296,079 | 1987 | 297,960 | 1986 | 300,194 | 1985 | 301,904 | 1984 | 296,161 | 1983 | 276,834 | 1982 | 251,105 | 1981 | 226,745 | 1980 | 207,259 | 1979 | 203,296 | 1978 | 218,532 | 1977 | 241,589 | 1976 | 261,887 | 1975 | 275,475 | 1974 | 280,726 | 1973 | 281,706 | 1972 | 283,102 | 1971 | 285,311 | 1970 | 288,361 | 1969 | 291,170 | 1968 | 292,675 | 1967 | 293,113 | 1966 | 294,068 | 1965 | 294,126 | 1964 | 291,754 | 1963 | 287,928 | 1962 | 283,874 | 1961 | 280,305 | 1960 | 276,336 |
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