Year | Value | 2022 | 8,715,162 | 2021 | 8,653,927 | 2020 | 8,657,927 | 2019 | 8,672,685 | 2018 | 8,675,638 | 2017 | 8,672,403 | 2016 | 8,667,836 | 2015 | 8,625,415 | 2014 | 8,578,133 | 2013 | 8,574,603 | 2012 | 8,623,896 | 2011 | 8,724,038 | 2010 | 8,906,226 | 2009 | 9,076,344 | 2008 | 9,221,817 | 2007 | 9,302,158 | 2006 | 9,332,025 | 2005 | 9,338,824 | 2004 | 9,335,477 | 2003 | 9,341,793 | 2002 | 9,390,584 | 2001 | 9,495,806 | 2000 | 9,626,313 | 1999 | 9,749,844 | 1998 | 9,858,070 | 1997 | 9,943,983 | 1996 | 9,999,189 | 1995 | 10,053,085 | 1994 | 10,152,085 | 1993 | 10,298,042 | 1992 | 10,479,697 | 1991 | 10,703,191 | 1990 | 10,923,416 | 1989 | 11,142,615 | 1988 | 11,358,584 | 1987 | 11,562,905 | 1986 | 11,749,290 | 1985 | 11,931,587 | 1984 | 12,119,850 | 1983 | 12,280,298 | 1982 | 12,358,448 | 1981 | 12,342,815 | 1980 | 12,246,573 | 1979 | 12,081,069 | 1978 | 11,877,063 | 1977 | 11,686,157 | 1976 | 11,508,888 | 1975 | 11,319,069 | 1974 | 11,134,657 | 1973 | 10,975,160 | 1972 | 10,846,632 | 1971 | 10,740,352 | 1970 | 10,679,612 | 1969 | 10,658,813 | 1968 | 10,666,083 | 1967 | 10,677,274 | 1966 | 10,631,470 | 1965 | 10,410,755 | 1964 | 10,117,969 | 1963 | 9,880,232 | 1962 | 9,612,536 | 1961 | 9,415,995 | 1960 | 9,496,673 |
|