Year | Value | 2022 | 49,869,517 | 2021 | 48,940,068 | 2020 | 47,822,068 | 2019 | 46,532,993 | 2018 | 45,170,405 | 2017 | 43,760,892 | 2016 | 42,329,681 | 2015 | 40,886,724 | 2014 | 39,417,898 | 2013 | 37,734,395 | 2012 | 35,876,492 | 2011 | 34,087,067 | 2010 | 32,345,111 | 2009 | 30,649,760 | 2008 | 29,309,702 | 2007 | 28,346,582 | 2006 | 27,535,008 | 2005 | 26,900,345 | 2004 | 26,429,268 | 2003 | 26,087,527 | 2002 | 25,835,594 | 2001 | 25,542,543 | 2000 | 25,152,536 | 1999 | 24,681,777 | 1998 | 24,125,409 | 1997 | 23,525,187 | 1996 | 22,963,200 | 1995 | 22,506,405 | 1994 | 22,147,869 | 1993 | 21,841,490 | 1992 | 21,513,804 | 1991 | 21,113,595 | 1990 | 20,641,852 | 1989 | 20,123,649 | 1988 | 19,569,190 | 1987 | 18,987,943 | 1986 | 18,423,304 | 1985 | 17,890,309 | 1984 | 17,388,514 | 1983 | 16,925,064 | 1982 | 16,484,148 | 1981 | 16,054,303 | 1980 | 15,681,808 | 1979 | 15,370,029 | 1978 | 15,063,865 | 1977 | 14,789,411 | 1976 | 14,542,108 | 1975 | 14,285,435 | 1974 | 14,019,867 | 1973 | 13,754,768 | 1972 | 13,496,878 | 1971 | 13,257,395 | 1970 | 13,011,216 | 1969 | 12,720,118 | 1968 | 12,402,049 | 1967 | 12,070,693 | 1966 | 11,737,176 | 1965 | 11,440,610 | 1964 | 11,172,127 | 1963 | 10,924,475 | 1962 | 10,704,521 | 1961 | 10,487,293 | 1960 | 10,225,395 |
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