Year | Value | 2022 | 25,557,593 | 2021 | 25,670,646 | 2020 | 25,798,135 | 2019 | 25,941,484 | 2018 | 26,112,646 | 2017 | 26,264,954 | 2016 | 26,355,334 | 2015 | 26,417,112 | 2014 | 26,472,022 | 2013 | 26,509,436 | 2012 | 26,526,688 | 2011 | 26,528,519 | 2010 | 26,503,974 | 2009 | 26,474,988 | 2008 | 26,426,026 | 2007 | 26,367,123 | 2006 | 26,290,040 | 2005 | 26,190,921 | 2004 | 26,078,879 | 2003 | 25,962,817 | 2002 | 25,838,145 | 2001 | 25,687,230 | 2000 | 25,500,846 | 1999 | 25,264,047 | 1998 | 24,977,057 | 1997 | 24,648,162 | 1996 | 24,290,411 | 1995 | 23,920,619 | 1994 | 23,543,648 | 1993 | 23,177,379 | 1992 | 22,823,382 | 1991 | 22,465,570 | 1990 | 22,093,117 | 1989 | 21,711,974 | 1988 | 21,336,411 | 1987 | 20,977,539 | 1986 | 20,654,301 | 1985 | 20,371,979 | 1984 | 20,121,159 | 1983 | 19,880,717 | 1982 | 19,624,322 | 1981 | 19,330,995 | 1980 | 18,981,029 | 1979 | 18,569,366 | 1978 | 18,118,200 | 1977 | 17,647,040 | 1976 | 17,164,864 | 1975 | 16,678,185 | 1974 | 16,189,008 | 1973 | 15,699,752 | 1972 | 15,215,386 | 1971 | 14,743,415 | 1970 | 14,288,002 | 1969 | 13,849,431 | 1968 | 13,411,429 | 1967 | 12,956,266 | 1966 | 12,487,346 | 1965 | 12,013,099 | 1964 | 11,546,256 | 1963 | 11,114,544 | 1962 | 10,737,906 | 1961 | 10,409,869 | 1960 | 10,111,876 |
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