Year | Value | 2022 | 271,756,996 | 2021 | 270,050,417 | 2020 | 268,132,354 | 2019 | 266,865,999 | 2018 | 266,318,320 | 2017 | 266,112,331 | 2016 | 266,447,975 | 2015 | 268,246,213 | 2014 | 270,783,259 | 2013 | 272,554,178 | 2012 | 273,893,751 | 2011 | 274,280,502 | 2010 | 271,847,911 | 2009 | 267,432,701 | 2008 | 262,804,020 | 2007 | 258,198,621 | 2006 | 253,460,717 | 2005 | 248,574,780 | 2004 | 243,682,177 | 2003 | 238,457,339 | 2002 | 232,390,279 | 2001 | 226,518,814 | 2000 | 222,007,312 | 1999 | 218,953,176 | 1998 | 217,710,786 | 1997 | 217,615,780 | 1996 | 217,691,911 | 1995 | 217,783,647 | 1994 | 217,248,223 | 1993 | 215,755,900 | 1992 | 212,969,606 | 1991 | 209,188,535 | 1990 | 205,473,335 | 1989 | 201,855,327 | 1988 | 199,140,449 | 1987 | 196,609,680 | 1986 | 191,150,889 | 1985 | 183,179,549 | 1984 | 175,274,917 | 1983 | 167,399,385 | 1982 | 161,568,566 | 1981 | 159,413,743 | 1980 | 158,948,641 | 1979 | 158,461,148 | 1978 | 156,705,576 | 1977 | 153,258,866 | 1976 | 149,258,554 | 1975 | 144,909,764 | 1974 | 139,921,776 | 1973 | 134,332,943 | 1972 | 128,236,842 | 1971 | 122,425,210 | 1970 | 116,620,897 | 1969 | 110,650,797 | 1968 | 105,638,157 | 1967 | 101,701,297 | 1966 | 98,915,601 | 1965 | 97,440,050 | 1964 | 96,968,930 | 1963 | 97,239,942 | 1962 | 97,741,754 | 1961 | 97,762,719 | 1960 | 97,353,605 |
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