Year | Value | 2022 | 349,233 | 2021 | 346,038 | 2020 | 343,690 | 2019 | 339,997 | 2018 | 338,124 | 2017 | 337,006 | 2016 | 336,486 | 2015 | 337,616 | 2014 | 337,710 | 2013 | 335,567 | 2012 | 333,622 | 2011 | 331,518 | 2010 | 328,059 | 2009 | 324,372 | 2008 | 321,836 | 2007 | 320,737 | 2006 | 320,464 | 2005 | 318,644 | 2004 | 313,023 | 2003 | 303,429 | 2002 | 290,006 | 2001 | 275,260 | 2000 | 264,917 | 1999 | 262,127 | 1998 | 266,240 | 1997 | 275,350 | 1996 | 286,716 | 1995 | 297,211 | 1994 | 305,827 | 1993 | 312,668 | 1992 | 317,555 | 1991 | 320,381 | 1990 | 320,413 | 1989 | 319,798 | 1988 | 319,879 | 1987 | 318,594 | 1986 | 314,766 | 1985 | 308,230 | 1984 | 298,883 | 1983 | 286,907 | 1982 | 273,462 | 1981 | 259,824 | 1980 | 246,416 | 1979 | 234,768 | 1978 | 225,006 | 1977 | 217,982 | 1976 | 213,993 | 1975 | 212,725 | 1974 | 215,655 | 1973 | 221,609 | 1972 | 228,092 | 1971 | 233,729 | 1970 | 238,125 | 1969 | 240,393 | 1968 | 239,650 | 1967 | 235,912 | 1966 | 230,079 | 1965 | 223,358 | 1964 | 216,662 | 1963 | 209,837 | 1962 | 202,982 | 1961 | 195,881 | 1960 | 188,704 |
|