Year | Value | 2022 | 83,493,053 | 2021 | 81,761,532 | 2020 | 80,102,796 | 2019 | 78,690,332 | 2018 | 77,316,181 | 2017 | 75,237,975 | 2016 | 73,250,742 | 2015 | 72,516,375 | 2014 | 72,991,356 | 2013 | 74,919,091 | 2012 | 77,764,709 | 2011 | 80,680,025 | 2010 | 83,645,251 | 2009 | 86,022,003 | 2008 | 87,308,741 | 2007 | 87,170,293 | 2006 | 86,027,591 | 2005 | 84,778,877 | 2004 | 83,483,343 | 2003 | 82,876,922 | 2002 | 82,308,977 | 2001 | 78,749,478 | 2000 | 72,744,371 | 1999 | 66,844,596 | 1998 | 61,114,812 | 1997 | 57,531,429 | 1996 | 57,672,141 | 1995 | 59,511,874 | 1994 | 61,189,565 | 1993 | 61,621,431 | 1992 | 60,572,794 | 1991 | 58,968,156 | 1990 | 57,089,913 | 1989 | 54,699,844 | 1988 | 52,020,549 | 1987 | 49,044,138 | 1986 | 46,174,077 | 1985 | 43,555,673 | 1984 | 41,091,414 | 1983 | 39,111,719 | 1982 | 37,469,997 | 1981 | 36,332,319 | 1980 | 35,680,347 | 1979 | 35,226,396 | 1978 | 34,947,426 | 1977 | 34,870,977 | 1976 | 34,743,231 | 1975 | 34,553,345 | 1974 | 34,449,071 | 1973 | 34,307,094 | 1972 | 33,872,626 | 1971 | 33,157,789 | 1970 | 32,388,959 | 1969 | 31,614,187 | 1968 | 30,745,922 | 1967 | 29,932,139 | 1966 | 29,179,695 | 1965 | 28,461,796 | 1964 | 27,971,165 | 1963 | 27,520,916 | 1962 | 26,924,108 | 1961 | 26,541,566 | 1960 | 26,373,475 |
|