| Year | Value | | 2022 | 1,294,371 | | 2021 | 1,279,003 | | 2020 | 1,275,547 | | 2019 | 1,282,011 | | 2018 | 1,281,696 | | 2017 | 1,287,296 | | 2016 | 1,291,357 | | 2015 | 1,289,241 | | 2014 | 1,283,086 | | 2013 | 1,276,838 | | 2012 | 1,275,080 | | 2011 | 1,276,169 | | 2010 | 1,277,541 | | 2009 | 1,279,654 | | 2008 | 1,275,429 | | 2007 | 1,261,620 | | 2006 | 1,235,274 | | 2005 | 1,201,489 | | 2004 | 1,166,057 | | 2003 | 1,134,519 | | 2002 | 1,107,638 | | 2001 | 1,083,858 | | 2000 | 1,059,520 | | 1999 | 1,023,395 | | 1998 | 950,239 | | 1997 | 854,059 | | 1996 | 766,637 | | 1995 | 699,808 | | 1994 | 672,788 | | 1993 | 713,631 | | 1992 | 802,434 | | 1991 | 896,899 | | 1990 | 979,313 | | 1989 | 1,026,113 | | 1988 | 1,037,343 | | 1987 | 1,034,783 | | 1986 | 1,028,610 | | 1985 | 1,016,344 | | 1984 | 995,486 | | 1983 | 972,858 | | 1982 | 948,465 | | 1981 | 921,485 | | 1980 | 903,425 | | 1979 | 882,227 | | 1978 | 848,607 | | 1977 | 810,983 | | 1976 | 772,949 | | 1975 | 732,478 | | 1974 | 693,425 | | 1973 | 663,485 | | 1972 | 633,754 | | 1971 | 606,833 | | 1970 | 584,393 | | 1969 | 565,062 | | 1968 | 549,161 | | 1967 | 535,579 | | 1966 | 524,221 | | 1965 | 514,973 | | 1964 | 505,858 | | 1963 | 493,346 | | 1962 | 482,146 | | 1961 | 470,105 | | 1960 | 455,341 |
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