| Year | Value | | 2022 | 3,538,352 | | 2021 | 3,559,798 | | 2020 | 3,579,773 | | 2019 | 3,599,141 | | 2018 | 3,617,403 | | 2017 | 3,634,137 | | 2016 | 3,649,822 | | 2015 | 3,664,923 | | 2014 | 3,679,391 | | 2013 | 3,693,179 | | 2012 | 3,705,497 | | 2011 | 3,717,660 | | 2010 | 3,732,551 | | 2009 | 3,787,305 | | 2008 | 3,813,926 | | 2007 | 3,841,665 | | 2006 | 3,868,731 | | 2005 | 3,894,938 | | 2004 | 3,921,016 | | 2003 | 3,948,010 | | 2002 | 3,974,139 | | 2001 | 3,999,543 | | 2000 | 4,025,145 | | 1999 | 4,049,427 | | 1998 | 4,072,973 | | 1997 | 4,095,914 | | 1996 | 4,117,198 | | 1995 | 4,136,222 | | 1994 | 4,152,439 | | 1993 | 4,167,656 | | 1992 | 4,181,937 | | 1991 | 4,195,162 | | 1990 | 4,248,117 | | 1989 | 4,306,031 | | 1988 | 4,362,871 | | 1987 | 4,419,313 | | 1986 | 4,475,419 | | 1985 | 4,531,558 | | 1984 | 4,587,894 | | 1983 | 4,643,350 | | 1982 | 4,697,346 | | 1981 | 4,751,003 | | 1980 | 4,795,885 | | 1979 | 4,822,810 | | 1978 | 4,848,569 | | 1977 | 4,873,929 | | 1976 | 4,898,926 | | 1975 | 4,924,377 | | 1974 | 4,945,651 | | 1973 | 4,964,585 | | 1972 | 4,985,814 | | 1971 | 5,009,153 | | 1970 | 5,035,600 | | 1969 | 5,071,366 | | 1968 | 5,107,735 | | 1967 | 5,143,540 | | 1966 | 5,177,808 | | 1965 | 5,211,501 | | 1964 | 5,243,902 | | 1963 | 5,274,989 | | 1962 | 5,304,067 | | 1961 | 5,332,093 | | 1960 | 5,370,094 |
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