| Year | Value | | 2022 | 5,038,280 | | 2021 | 4,837,581 | | 2020 | 4,668,509 | | 2019 | 4,509,702 | | 2018 | 4,360,539 | | 2017 | 4,248,844 | | 2016 | 4,167,644 | | 2015 | 4,075,528 | | 2014 | 3,970,383 | | 2013 | 3,871,149 | | 2012 | 3,765,753 | | 2011 | 3,654,426 | | 2010 | 3,549,633 | | 2009 | 3,455,089 | | 2008 | 3,369,936 | | 2007 | 3,289,256 | | 2006 | 3,206,053 | | 2005 | 3,119,561 | | 2004 | 3,033,160 | | 2003 | 2,945,156 | | 2002 | 2,852,967 | | 2001 | 2,766,204 | | 2000 | 2,692,621 | | 1999 | 2,624,667 | | 1998 | 2,558,847 | | 1997 | 2,498,126 | | 1996 | 2,438,790 | | 1995 | 2,379,441 | | 1994 | 2,325,904 | | 1993 | 2,271,262 | | 1992 | 2,208,499 | | 1991 | 2,150,439 | | 1990 | 2,099,217 | | 1989 | 2,044,952 | | 1988 | 1,989,801 | | 1987 | 1,934,525 | | 1986 | 1,877,959 | | 1985 | 1,823,671 | | 1984 | 1,770,033 | | 1983 | 1,720,823 | | 1982 | 1,676,638 | | 1981 | 1,638,120 | | 1980 | 1,608,536 | | 1979 | 1,578,178 | | 1978 | 1,542,594 | | 1977 | 1,509,395 | | 1976 | 1,477,504 | | 1975 | 1,443,544 | | 1974 | 1,409,440 | | 1973 | 1,374,960 | | 1972 | 1,341,156 | | 1971 | 1,307,805 | | 1970 | 1,274,458 | | 1969 | 1,241,867 | | 1968 | 1,209,835 | | 1967 | 1,178,896 | | 1966 | 1,150,619 | | 1965 | 1,124,995 | | 1964 | 1,100,836 | | 1963 | 1,078,162 | | 1962 | 1,056,426 | | 1961 | 1,034,141 | | 1960 | 1,010,919 |
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