Year | Value | 2022 | 38,381,350 | 2021 | 36,362,401 | 2020 | 34,297,913 | 2019 | 32,147,267 | 2018 | 30,295,431 | 2017 | 28,712,699 | 2016 | 27,620,416 | 2015 | 27,006,153 | 2014 | 26,475,267 | 2013 | 25,969,459 | 2012 | 25,584,775 | 2011 | 25,162,465 | 2010 | 24,741,767 | 2009 | 24,453,592 | 2008 | 24,196,747 | 2007 | 23,747,287 | 2006 | 23,106,960 | 2005 | 22,421,453 | 2004 | 21,728,047 | 2003 | 20,974,847 | 2002 | 20,253,059 | 2001 | 19,593,975 | 2000 | 18,928,692 | 1999 | 18,279,224 | 1998 | 17,578,986 | 1997 | 16,796,293 | 1996 | 16,070,247 | 1995 | 15,365,088 | 1994 | 14,603,665 | 1993 | 13,875,699 | 1992 | 13,287,507 | 1991 | 12,796,449 | 1990 | 12,358,627 | 1989 | 12,041,820 | 1988 | 11,836,591 | 1987 | 11,598,890 | 1986 | 11,279,299 | 1985 | 10,926,077 | 1984 | 10,538,197 | 1983 | 10,122,003 | 1982 | 9,737,519 | 1981 | 9,405,894 | 1980 | 9,096,767 | 1979 | 8,777,232 | 1978 | 8,479,143 | 1977 | 8,228,918 | 1976 | 7,992,933 | 1975 | 7,738,156 | 1974 | 7,440,625 | 1973 | 7,106,664 | 1972 | 6,779,590 | 1971 | 6,472,322 | 1970 | 6,193,155 | 1969 | 6,001,684 | 1968 | 5,841,791 | 1967 | 5,676,263 | 1966 | 5,510,853 | 1965 | 5,351,742 | 1964 | 5,235,882 | 1963 | 5,157,786 | 1962 | 5,080,422 | 1961 | 5,062,826 | 1960 | 5,154,117 |
|