| Year | Value | | 2022 | 9,054,768 | | 2021 | 8,807,753 | | 2020 | 8,560,671 | | 2019 | 8,318,271 | | 2018 | 8,077,785 | | 2017 | 7,839,255 | | 2016 | 7,605,024 | | 2015 | 7,370,344 | | 2014 | 7,133,725 | | 2013 | 6,894,022 | | 2012 | 6,650,606 | | 2011 | 6,408,757 | | 2010 | 6,175,498 | | 2009 | 5,952,455 | | 2008 | 5,743,929 | | 2007 | 5,551,202 | | 2006 | 5,368,645 | | 2005 | 5,198,968 | | 2004 | 5,041,681 | | 2003 | 4,889,822 | | 2002 | 4,749,831 | | 2001 | 4,634,305 | | 2000 | 4,539,163 | | 1999 | 4,435,129 | | 1998 | 4,315,651 | | 1997 | 4,196,842 | | 1996 | 4,072,146 | | 1995 | 3,925,102 | | 1994 | 3,767,026 | | 1993 | 3,634,337 | | 1992 | 3,527,956 | | 1991 | 3,424,521 | | 1990 | 3,320,489 | | 1989 | 3,216,759 | | 1988 | 3,111,340 | | 1987 | 3,004,777 | | 1986 | 2,901,060 | | 1985 | 2,803,968 | | 1984 | 2,711,923 | | 1983 | 2,623,207 | | 1982 | 2,539,496 | | 1981 | 2,461,741 | | 1980 | 2,388,428 | | 1979 | 2,319,236 | | 1978 | 2,257,520 | | 1977 | 2,205,862 | | 1976 | 2,158,568 | | 1975 | 2,109,665 | | 1974 | 2,059,026 | | 1973 | 2,007,094 | | 1972 | 1,953,240 | | 1971 | 1,897,627 | | 1970 | 1,840,746 | | 1969 | 1,783,134 | | 1968 | 1,725,308 | | 1967 | 1,667,936 | | 1966 | 1,611,965 | | 1965 | 1,558,632 | | 1964 | 1,509,151 | | 1963 | 1,462,954 | | 1962 | 1,419,149 | | 1961 | 1,377,965 | | 1960 | 1,339,059 |
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