Year | Value | 2022 | 170,345,799 | 2021 | 169,646,258 | 2020 | 169,638,442 | 2019 | 169,398,055 | 2018 | 169,182,661 | 2017 | 168,746,373 | 2016 | 168,349,711 | 2015 | 167,805,585 | 2014 | 167,257,984 | 2013 | 166,665,108 | 2012 | 166,077,016 | 2011 | 165,689,715 | 2010 | 166,032,854 | 2009 | 165,630,936 | 2008 | 165,071,229 | 2007 | 164,224,997 | 2006 | 163,331,618 | 2005 | 162,522,649 | 2004 | 161,624,850 | 2003 | 160,686,803 | 2002 | 159,777,952 | 2001 | 158,982,301 | 2000 | 158,457,115 | 1999 | 157,963,227 | 1998 | 157,566,186 | 1997 | 157,228,767 | 1996 | 156,851,037 | 1995 | 156,454,852 | 1994 | 156,035,889 | 1993 | 155,512,122 | 1992 | 154,814,242 | 1991 | 154,100,271 | 1990 | 153,284,681 | 1989 | 152,536,073 | 1988 | 151,844,866 | 1987 | 151,298,219 | 1986 | 150,839,570 | 1985 | 150,428,544 | 1984 | 150,114,758 | 1983 | 149,838,085 | 1982 | 149,500,393 | 1981 | 149,041,938 | 1980 | 148,390,577 | 1979 | 147,680,222 | 1978 | 147,042,800 | 1977 | 146,409,289 | 1976 | 145,795,774 | 1975 | 145,137,990 | 1974 | 144,377,639 | 1973 | 143,530,263 | 1972 | 142,581,647 | 1971 | 141,559,789 | 1970 | 140,700,666 | 1969 | 139,857,767 | 1968 | 138,834,313 | 1967 | 137,798,092 | 1966 | 136,702,311 | 1965 | 135,473,680 | 1964 | 134,188,680 | 1963 | 132,923,945 | 1962 | 131,670,559 | 1961 | 130,438,967 | 1960 | 129,229,172 |
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