| Year | Value | | 2022 | 9,667,582 | | 2021 | 9,702,586 | | 2020 | 9,731,082 | | 2019 | 9,752,555 | | 2018 | 9,768,391 | | 2017 | 9,778,365 | | 2016 | 9,782,363 | | 2015 | 9,780,661 | | 2014 | 9,774,567 | | 2013 | 9,771,211 | | 2012 | 9,771,436 | | 2011 | 9,775,470 | | 2010 | 9,781,506 | | 2009 | 9,784,670 | | 2008 | 9,777,831 | | 2007 | 9,751,858 | | 2006 | 9,722,418 | | 2005 | 9,687,390 | | 2004 | 9,644,953 | | 2003 | 9,596,394 | | 2002 | 9,557,010 | | 2001 | 9,524,688 | | 2000 | 9,484,222 | | 1999 | 9,436,341 | | 1998 | 9,380,980 | | 1997 | 9,319,047 | | 1996 | 9,249,946 | | 1995 | 9,174,040 | | 1994 | 9,076,626 | | 1993 | 8,964,822 | | 1992 | 8,859,219 | | 1991 | 8,756,401 | | 1990 | 8,655,929 | | 1989 | 8,559,517 | | 1988 | 8,465,161 | | 1987 | 8,371,577 | | 1986 | 8,278,271 | | 1985 | 8,185,503 | | 1984 | 8,095,143 | | 1983 | 8,006,737 | | 1982 | 7,919,263 | | 1981 | 7,832,202 | | 1980 | 7,746,643 | | 1979 | 7,644,051 | | 1978 | 7,544,450 | | 1977 | 7,447,406 | | 1976 | 7,348,650 | | 1975 | 7,241,168 | | 1974 | 7,199,078 | | 1973 | 7,144,274 | | 1972 | 7,063,596 | | 1971 | 6,967,569 | | 1970 | 6,868,571 | | 1969 | 7,067,738 | | 1968 | 7,248,610 | | 1967 | 7,314,151 | | 1966 | 7,248,493 | | 1965 | 7,196,344 | | 1964 | 7,147,970 | | 1963 | 7,096,413 | | 1962 | 7,048,127 | | 1961 | 7,011,439 | | 1960 | 6,970,671 |
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