| Year | Value | | 2022 | 1,238,472 | | 2021 | 1,245,164 | | 2020 | 1,253,664 | | 2019 | 1,263,309 | | 2018 | 1,268,821 | | 2017 | 1,266,765 | | 2016 | 1,258,729 | | 2015 | 1,243,545 | | 2014 | 1,223,509 | | 2013 | 1,209,469 | | 2012 | 1,207,714 | | 2011 | 1,215,578 | | 2010 | 1,231,335 | | 2009 | 1,250,635 | | 2008 | 1,264,346 | | 2007 | 1,271,100 | | 2006 | 1,274,937 | | 2005 | 1,277,769 | | 2004 | 1,281,309 | | 2003 | 1,286,393 | | 2002 | 1,292,464 | | 2001 | 1,299,993 | | 2000 | 1,308,197 | | 1999 | 1,311,444 | | 1998 | 1,306,657 | | 1997 | 1,294,454 | | 1996 | 1,274,960 | | 1995 | 1,249,911 | | 1994 | 1,221,028 | | 1993 | 1,193,112 | | 1992 | 1,169,009 | | 1991 | 1,148,855 | | 1990 | 1,132,983 | | 1989 | 1,119,989 | | 1988 | 1,105,655 | | 1987 | 1,087,358 | | 1986 | 1,065,801 | | 1985 | 1,041,307 | | 1984 | 1,015,024 | | 1983 | 988,535 | | 1982 | 963,606 | | 1981 | 940,799 | | 1980 | 920,504 | | 1979 | 902,963 | | 1978 | 887,521 | | 1977 | 871,654 | | 1976 | 855,206 | | 1975 | 839,630 | | 1974 | 824,479 | | 1973 | 809,800 | | 1972 | 797,646 | | 1971 | 789,664 | | 1970 | 785,050 | | 1969 | 783,296 | | 1968 | 783,958 | | 1967 | 785,563 | | 1966 | 785,407 | | 1965 | 781,620 | | 1964 | 774,142 | | 1963 | 763,342 | | 1962 | 750,139 | | 1961 | 734,996 | | 1960 | 717,819 |
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