Year | Value | 2022 | 32,593,338 | 2021 | 31,643,150 | 2020 | 30,662,929 | 2019 | 29,693,668 | 2018 | 28,746,290 | 2017 | 27,785,927 | 2016 | 26,826,901 | 2015 | 25,913,977 | 2014 | 25,065,853 | 2013 | 24,296,734 | 2012 | 23,627,706 | 2011 | 23,009,399 | 2010 | 22,419,232 | 2009 | 21,868,951 | 2008 | 21,341,000 | 2007 | 20,815,392 | 2006 | 20,270,927 | 2005 | 19,696,583 | 2004 | 19,113,177 | 2003 | 18,540,561 | 2002 | 17,971,139 | 2001 | 17,437,657 | 2000 | 16,954,967 | 1999 | 16,493,570 | 1998 | 16,040,657 | 1997 | 15,616,292 | 1996 | 15,228,631 | 1995 | 14,848,303 | 1994 | 14,460,393 | 1993 | 14,068,372 | 1992 | 13,661,785 | 1991 | 13,258,402 | 1990 | 12,878,668 | 1989 | 12,472,756 | 1988 | 12,050,687 | 1987 | 11,677,821 | 1986 | 11,353,840 | 1985 | 11,061,117 | 1984 | 10,814,829 | 1983 | 10,605,554 | 1982 | 10,370,930 | 1981 | 10,128,148 | 1980 | 9,923,642 | 1979 | 9,714,922 | 1978 | 9,492,876 | 1977 | 9,302,068 | 1976 | 9,144,030 | 1975 | 8,995,320 | 1974 | 8,846,112 | 1973 | 8,695,886 | 1972 | 8,549,663 | 1971 | 8,442,425 | 1970 | 8,334,839 | 1969 | 8,183,200 | 1968 | 8,016,994 | 1967 | 7,845,050 | 1966 | 7,678,791 | 1965 | 7,519,932 | 1964 | 7,364,550 | 1963 | 7,214,319 | 1962 | 7,069,361 | 1961 | 6,927,632 | 1960 | 6,791,046 |
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