Year | Value | 2022 | 179,937,658 | 2021 | 180,686,944 | 2020 | 181,249,422 | 2019 | 181,216,219 | 2018 | 180,232,771 | 2017 | 178,015,740 | 2016 | 174,918,429 | 2015 | 171,902,403 | 2014 | 169,042,204 | 2013 | 166,963,172 | 2012 | 165,051,199 | 2011 | 160,428,119 | 2010 | 153,496,622 | 2009 | 146,572,120 | 2008 | 139,605,239 | 2007 | 134,539,476 | 2006 | 132,987,028 | 2005 | 132,983,918 | 2004 | 132,877,760 | 2003 | 131,646,292 | 2002 | 128,897,367 | 2001 | 125,446,066 | 2000 | 121,531,811 | 1999 | 116,952,153 | 1998 | 111,738,611 | 1997 | 105,922,363 | 1996 | 100,220,266 | 1995 | 94,662,202 | 1994 | 89,089,974 | 1993 | 84,377,931 | 1992 | 80,737,562 | 1991 | 78,220,024 | 1990 | 76,828,206 | 1989 | 76,271,657 | 1988 | 76,329,291 | 1987 | 76,579,687 | 1986 | 76,321,567 | 1985 | 75,563,745 | 1984 | 74,523,012 | 1983 | 73,133,099 | 1982 | 71,540,100 | 1981 | 69,905,190 | 1980 | 68,538,704 | 1979 | 67,515,346 | 1978 | 66,666,092 | 1977 | 65,778,565 | 1976 | 64,766,537 | 1975 | 63,599,344 | 1974 | 62,329,576 | 1973 | 60,889,160 | 1972 | 59,216,609 | 1971 | 57,534,479 | 1970 | 55,647,916 | 1969 | 53,641,763 | 1968 | 51,932,125 | 1967 | 50,455,254 | 1966 | 49,194,600 | 1965 | 48,302,234 | 1964 | 47,923,658 | 1963 | 47,799,568 | 1962 | 47,685,752 | 1961 | 47,565,564 | 1960 | 47,422,875 |
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