Year | Value | 2022 | 277,097 | 2021 | 278,787 | 2020 | 280,933 | 2019 | 281,631 | 2018 | 287,819 | 2017 | 295,036 | 2016 | 301,838 | 2015 | 313,574 | 2014 | 327,926 | 2013 | 342,478 | 2012 | 360,693 | 2011 | 381,175 | 2010 | 402,627 | 2009 | 422,223 | 2008 | 434,880 | 2007 | 441,284 | 2006 | 444,827 | 2005 | 445,128 | 2004 | 443,019 | 2003 | 441,334 | 2002 | 440,196 | 2001 | 439,150 | 2000 | 438,867 | 1999 | 440,278 | 1998 | 443,095 | 1997 | 445,951 | 1996 | 446,094 | 1995 | 440,971 | 1994 | 431,572 | 1993 | 418,712 | 1992 | 402,414 | 1991 | 384,394 | 1990 | 364,866 | 1989 | 347,760 | 1988 | 335,728 | 1987 | 327,961 | 1986 | 325,284 | 1985 | 326,786 | 1984 | 328,321 | 1983 | 328,021 | 1982 | 325,617 | 1981 | 319,925 | 1980 | 310,666 | 1979 | 302,053 | 1978 | 294,821 | 1977 | 288,647 | 1976 | 284,906 | 1975 | 282,639 | 1974 | 280,591 | 1973 | 277,389 | 1972 | 272,944 | 1971 | 268,045 | 1970 | 266,197 | 1969 | 270,150 | 1968 | 280,141 | 1967 | 294,499 | 1966 | 310,305 | 1965 | 324,623 | 1964 | 335,961 | 1963 | 343,780 | 1962 | 348,827 | 1961 | 352,151 | 1960 | 355,380 |
|