| Year | Value | | 2022 | 1,262,523 | | 2021 | 1,266,334 | | 2020 | 1,266,014 | | 2019 | 1,265,985 | | 2018 | 1,265,577 | | 2017 | 1,264,887 | | 2016 | 1,263,747 | | 2015 | 1,262,879 | | 2014 | 1,261,208 | | 2013 | 1,258,927 | | 2012 | 1,255,882 | | 2011 | 1,252,404 | | 2010 | 1,250,400 | | 2009 | 1,247,429 | | 2008 | 1,244,121 | | 2007 | 1,239,630 | | 2006 | 1,233,996 | | 2005 | 1,228,254 | | 2004 | 1,221,003 | | 2003 | 1,213,370 | | 2002 | 1,204,621 | | 2001 | 1,196,287 | | 2000 | 1,186,873 | | 1999 | 1,175,267 | | 1998 | 1,160,421 | | 1997 | 1,148,284 | | 1996 | 1,133,996 | | 1995 | 1,122,457 | | 1994 | 1,112,846 | | 1993 | 1,097,374 | | 1992 | 1,084,441 | | 1991 | 1,070,266 | | 1990 | 1,058,775 | | 1989 | 1,051,260 | | 1988 | 1,043,239 | | 1987 | 1,036,082 | | 1986 | 1,028,360 | | 1985 | 1,020,528 | | 1984 | 1,012,221 | | 1983 | 1,001,691 | | 1982 | 992,521 | | 1981 | 980,462 | | 1980 | 966,039 | | 1979 | 949,888 | | 1978 | 933,499 | | 1977 | 921,379 | | 1976 | 906,507 | | 1975 | 892,000 | | 1974 | 878,042 | | 1973 | 864,819 | | 1972 | 852,053 | | 1971 | 839,230 | | 1970 | 826,000 | | 1969 | 812,405 | | 1968 | 798,413 | | 1967 | 783,917 | | 1966 | 768,813 | | 1965 | 753,000 | | 1964 | 736,381 | | 1963 | 718,861 | | 1962 | 700,349 | | 1961 | 680,757 | | 1960 | 676,683 |
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