Year | Value | 2022 | 26,041,793 | 2021 | 26,133,964 | 2020 | 26,193,007 | 2019 | 26,229,343 | 2018 | 26,247,259 | 2017 | 26,235,911 | 2016 | 26,200,493 | 2015 | 26,155,020 | 2014 | 26,097,355 | 2013 | 26,017,989 | 2012 | 25,924,275 | 2011 | 25,809,865 | 2010 | 25,668,492 | 2009 | 25,546,756 | 2008 | 25,429,584 | 2007 | 25,304,938 | 2006 | 25,156,065 | 2005 | 24,973,385 | 2004 | 24,749,124 | 2003 | 24,487,486 | 2002 | 24,183,234 | 2001 | 23,838,860 | 2000 | 23,472,693 | 1999 | 23,084,479 | 1998 | 22,694,539 | 1997 | 22,322,639 | 1996 | 21,961,436 | 1995 | 21,606,801 | 1994 | 21,255,412 | 1993 | 20,907,568 | 1992 | 20,570,005 | 1991 | 20,254,939 | 1990 | 19,960,155 | 1989 | 19,687,790 | 1988 | 19,434,576 | 1987 | 19,172,299 | 1986 | 18,878,916 | 1985 | 18,540,626 | 1984 | 18,156,684 | 1983 | 17,737,467 | 1982 | 17,296,914 | 1981 | 16,843,384 | 1980 | 16,370,888 | 1979 | 15,882,414 | 1978 | 15,391,932 | 1977 | 14,907,044 | 1976 | 14,440,094 | 1975 | 13,990,927 | 1974 | 13,550,066 | 1973 | 13,106,750 | 1972 | 12,652,617 | 1971 | 12,191,740 | 1970 | 11,729,382 | 1969 | 11,274,857 | 1968 | 10,853,826 | 1967 | 10,486,074 | 1966 | 10,167,104 | 1965 | 9,880,285 | 1964 | 9,610,857 | 1963 | 9,354,366 | 1962 | 9,107,112 | 1961 | 8,875,510 | 1960 | 8,672,199 |
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