| Year | Value | | 2022 | 5,267,354 | | 2021 | 5,190,703 | | 2020 | 5,112,980 | | 2019 | 5,031,794 | | 2018 | 4,948,831 | | 2017 | 4,865,783 | | 2016 | 4,782,635 | | 2015 | 4,699,291 | | 2014 | 4,615,611 | | 2013 | 4,531,602 | | 2012 | 4,446,997 | | 2011 | 4,361,400 | | 2010 | 4,274,733 | | 2009 | 4,186,810 | | 2008 | 4,097,779 | | 2007 | 4,007,762 | | 2006 | 3,916,738 | | 2005 | 3,825,041 | | 2004 | 3,733,128 | | 2003 | 3,641,043 | | 2002 | 3,548,604 | | 2001 | 3,456,257 | | 2000 | 3,364,459 | | 1999 | 3,273,539 | | 1998 | 3,187,439 | | 1997 | 3,103,590 | | 1996 | 3,018,776 | | 1995 | 2,935,993 | | 1994 | 2,855,202 | | 1993 | 2,776,401 | | 1992 | 2,699,664 | | 1991 | 2,625,035 | | 1990 | 2,552,537 | | 1989 | 2,482,140 | | 1988 | 2,413,799 | | 1987 | 2,346,758 | | 1986 | 2,280,478 | | 1985 | 2,215,256 | | 1984 | 2,151,120 | | 1983 | 2,087,875 | | 1982 | 2,025,617 | | 1981 | 1,964,410 | | 1980 | 1,904,243 | | 1979 | 1,845,334 | | 1978 | 1,787,861 | | 1977 | 1,731,970 | | 1976 | 1,677,576 | | 1975 | 1,624,761 | | 1974 | 1,575,978 | | 1973 | 1,530,063 | | 1972 | 1,484,066 | | 1971 | 1,439,260 | | 1970 | 1,396,377 | | 1969 | 1,355,232 | | 1968 | 1,315,605 | | 1967 | 1,277,484 | | 1966 | 1,240,675 | | 1965 | 1,204,864 | | 1964 | 1,170,166 | | 1963 | 1,136,573 | | 1962 | 1,103,927 | | 1961 | 1,072,293 | | 1960 | 1,041,528 |
|