| Year | Value | | 2022 | 7,937,601 | | 2021 | 7,796,754 | | 2020 | 7,922,941 | | 2019 | 7,888,753 | | 2018 | 7,844,036 | | 2017 | 7,805,452 | | 2016 | 7,773,650 | | 2015 | 7,748,928 | | 2014 | 7,723,921 | | 2013 | 7,705,910 | | 2012 | 7,693,579 | | 2011 | 7,681,562 | | 2010 | 7,673,029 | | 2009 | 7,657,912 | | 2008 | 7,621,676 | | 2007 | 7,565,828 | | 2006 | 7,528,974 | | 2005 | 7,515,659 | | 2004 | 7,512,306 | | 2003 | 7,517,054 | | 2002 | 7,526,242 | | 2001 | 7,547,721 | | 2000 | 7,587,516 | | 1999 | 7,622,397 | | 1998 | 7,643,675 | | 1997 | 7,664,419 | | 1996 | 7,686,196 | | 1995 | 7,708,571 | | 1994 | 7,726,630 | | 1993 | 7,737,165 | | 1992 | 7,742,438 | | 1991 | 7,747,721 | | 1990 | 7,772,750 | | 1989 | 7,796,600 | | 1988 | 7,795,245 | | 1987 | 7,792,255 | | 1986 | 7,791,420 | | 1985 | 7,790,569 | | 1984 | 7,788,361 | | 1983 | 7,786,562 | | 1982 | 7,782,743 | | 1981 | 7,774,989 | | 1980 | 7,745,353 | | 1979 | 7,633,521 | | 1978 | 7,491,275 | | 1977 | 7,343,835 | | 1976 | 7,191,239 | | 1975 | 7,032,685 | | 1974 | 6,871,460 | | 1973 | 6,712,314 | | 1972 | 6,560,396 | | 1971 | 6,416,419 | | 1970 | 6,348,795 | | 1969 | 6,326,884 | | 1968 | 6,267,134 | | 1967 | 6,205,159 | | 1966 | 6,137,954 | | 1965 | 6,064,767 | | 1964 | 5,985,712 | | 1963 | 5,903,373 | | 1962 | 5,828,213 | | 1961 | 5,758,030 | | 1960 | 5,717,803 |
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