Year | Value | 2022 | 70,022,472 | 2021 | 69,580,925 | 2020 | 69,642,506 | 2019 | 69,899,154 | 2018 | 70,204,332 | 2017 | 70,784,518 | 2016 | 71,562,820 | 2015 | 72,403,132 | 2014 | 73,516,069 | 2013 | 74,997,141 | 2012 | 76,609,619 | 2011 | 78,498,330 | 2010 | 81,644,995 | 2009 | 85,483,694 | 2008 | 88,671,957 | 2007 | 91,590,743 | 2006 | 93,868,468 | 2005 | 93,868,130 | 2004 | 92,290,914 | 2003 | 90,619,111 | 2002 | 89,179,811 | 2001 | 87,946,416 | 2000 | 86,728,991 | 1999 | 85,612,470 | 1998 | 84,401,756 | 1997 | 82,472,438 | 1996 | 80,680,574 | 1995 | 80,146,252 | 1994 | 80,881,623 | 1993 | 83,119,458 | 1992 | 86,268,364 | 1991 | 89,434,552 | 1990 | 92,573,140 | 1989 | 95,039,329 | 1988 | 96,275,902 | 1987 | 96,094,180 | 1986 | 94,859,403 | 1985 | 93,543,460 | 1984 | 92,304,722 | 1983 | 91,715,958 | 1982 | 91,132,404 | 1981 | 87,674,674 | 1980 | 81,818,221 | 1979 | 76,005,099 | 1978 | 70,340,213 | 1977 | 66,779,776 | 1976 | 66,971,730 | 1975 | 68,915,572 | 1974 | 70,755,054 | 1973 | 71,368,161 | 1972 | 70,545,403 | 1971 | 69,143,054 | 1970 | 67,243,911 | 1969 | 64,869,575 | 1968 | 62,249,727 | 1967 | 59,168,093 | 1966 | 55,899,619 | 1965 | 52,679,833 | 1964 | 49,696,350 | 1963 | 47,346,316 | 1962 | 45,440,223 | 1961 | 44,344,850 | 1960 | 43,996,541 |
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