| Year | Value | | 2022 | 7,346,100 | | 2021 | 7,413,100 | | 2020 | 7,481,000 | | 2019 | 7,507,900 | | 2018 | 7,452,600 | | 2017 | 7,393,200 | | 2016 | 7,336,600 | | 2015 | 7,291,300 | | 2014 | 7,229,500 | | 2013 | 7,178,900 | | 2012 | 7,150,100 | | 2011 | 7,071,600 | | 2010 | 7,024,200 | | 2009 | 6,972,800 | | 2008 | 6,957,800 | | 2007 | 6,916,300 | | 2006 | 6,857,100 | | 2005 | 6,813,200 | | 2004 | 6,783,500 | | 2003 | 6,730,800 | | 2002 | 6,744,100 | | 2001 | 6,714,300 | | 2000 | 6,665,000 | | 1999 | 6,606,500 | | 1998 | 6,543,700 | | 1997 | 6,489,300 | | 1996 | 6,435,500 | | 1995 | 6,156,100 | | 1994 | 6,035,400 | | 1993 | 5,901,000 | | 1992 | 5,799,282 | | 1991 | 5,742,337 | | 1990 | 5,676,947 | | 1989 | 5,634,683 | | 1988 | 5,532,437 | | 1987 | 5,405,272 | | 1986 | 5,206,825 | | 1985 | 5,069,901 | | 1984 | 5,001,316 | | 1983 | 4,937,590 | | 1982 | 4,848,078 | | 1981 | 4,758,050 | | 1980 | 4,631,623 | | 1979 | 4,493,175 | | 1978 | 4,238,137 | | 1977 | 4,145,727 | | 1976 | 4,069,679 | | 1975 | 4,001,832 | | 1974 | 3,909,419 | | 1973 | 3,770,528 | | 1972 | 3,648,314 | | 1971 | 3,561,442 | | 1970 | 3,473,191 | | 1969 | 3,379,985 | | 1968 | 3,316,715 | | 1967 | 3,237,272 | | 1966 | 3,146,833 | | 1965 | 3,109,377 | | 1964 | 3,019,108 | | 1963 | 2,937,424 | | 1962 | 2,828,656 | | 1961 | 2,702,168 | | 1960 | 2,653,700 |
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