Year | Value | 2022 | 57,937,926 | 2021 | 57,608,842 | 2020 | 57,184,933 | 2019 | 56,737,873 | 2018 | 56,329,447 | 2017 | 55,844,124 | 2016 | 55,305,556 | 2015 | 54,744,377 | 2014 | 54,080,681 | 2013 | 53,285,993 | 2012 | 52,390,713 | 2011 | 51,395,917 | 2010 | 50,361,505 | 2009 | 49,319,093 | 2008 | 48,245,656 | 2007 | 47,204,787 | 2006 | 46,243,469 | 2005 | 45,349,019 | 2004 | 44,541,942 | 2003 | 43,839,373 | 2002 | 43,142,011 | 2001 | 42,365,617 | 2000 | 41,534,897 | 1999 | 40,664,674 | 1998 | 39,779,478 | 1997 | 38,928,015 | 1996 | 38,092,062 | 1995 | 37,287,614 | 1994 | 36,533,576 | 1993 | 35,802,647 | 1992 | 35,088,445 | 1991 | 34,407,239 | 1990 | 33,727,854 | 1989 | 33,007,547 | 1988 | 32,273,085 | 1987 | 31,557,391 | 1986 | 30,852,432 | 1985 | 30,142,466 | 1984 | 29,428,983 | 1983 | 28,686,874 | 1982 | 27,896,578 | 1981 | 27,075,233 | 1980 | 26,227,658 | 1979 | 25,375,177 | 1978 | 24,382,008 | 1977 | 23,279,212 | 1976 | 22,264,434 | 1975 | 21,312,220 | 1974 | 20,396,456 | 1973 | 19,705,660 | 1972 | 19,235,448 | 1971 | 18,827,366 | 1970 | 18,495,551 | 1969 | 18,249,102 | 1968 | 18,102,240 | 1967 | 18,017,168 | 1966 | 17,932,734 | 1965 | 17,801,778 | 1964 | 17,615,886 | 1963 | 17,369,424 | 1962 | 17,064,669 | 1961 | 16,743,328 | 1960 | 16,433,340 |
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