Year | Value | 2022 | 267,807 | 2021 | 268,447 | 2020 | 269,016 | 2019 | 267,813 | 2018 | 267,921 | 2017 | 269,458 | 2016 | 271,904 | 2015 | 273,928 | 2014 | 278,120 | 2013 | 286,768 | 2012 | 296,255 | 2011 | 304,411 | 2010 | 313,425 | 2009 | 322,463 | 2008 | 330,515 | 2007 | 340,517 | 2006 | 352,950 | 2005 | 366,904 | 2004 | 379,283 | 2003 | 387,107 | 2002 | 391,148 | 2001 | 392,965 | 2000 | 392,446 | 1999 | 391,277 | 1998 | 390,487 | 1997 | 389,263 | 1996 | 388,703 | 1995 | 389,332 | 1994 | 390,567 | 1993 | 392,299 | 1992 | 394,200 | 1991 | 393,265 | 1990 | 386,865 | 1989 | 378,873 | 1988 | 371,387 | 1987 | 362,836 | 1986 | 354,662 | 1985 | 347,130 | 1984 | 341,102 | 1983 | 337,446 | 1982 | 335,162 | 1981 | 334,252 | 1980 | 333,946 | 1979 | 332,231 | 1978 | 327,378 | 1977 | 321,120 | 1976 | 313,889 | 1975 | 305,421 | 1974 | 300,732 | 1973 | 300,854 | 1972 | 302,344 | 1971 | 303,927 | 1970 | 306,263 | 1969 | 307,009 | 1968 | 304,268 | 1967 | 300,236 | 1966 | 298,061 | 1965 | 300,739 | 1964 | 310,293 | 1963 | 326,069 | 1962 | 345,288 | 1961 | 363,800 | 1960 | 378,530 |
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