Year | Value | 2022 | 2,297,997 | 2021 | 2,310,513 | 2020 | 2,318,768 | 2019 | 2,320,731 | 2018 | 2,318,211 | 2017 | 2,313,547 | 2016 | 2,308,420 | 2015 | 2,306,881 | 2014 | 2,312,299 | 2013 | 2,322,323 | 2012 | 2,335,263 | 2011 | 2,350,128 | 2010 | 2,365,950 | 2009 | 2,385,005 | 2008 | 2,416,798 | 2007 | 2,453,003 | 2006 | 2,478,698 | 2005 | 2,495,059 | 2004 | 2,501,766 | 2003 | 2,500,902 | 2002 | 2,493,923 | 2001 | 2,489,260 | 2000 | 2,493,223 | 1999 | 2,502,823 | 1998 | 2,515,069 | 1997 | 2,527,052 | 1996 | 2,537,023 | 1995 | 2,545,780 | 1994 | 2,551,958 | 1993 | 2,552,083 | 1992 | 2,551,866 | 1991 | 2,558,792 | 1990 | 2,573,200 | 1989 | 2,595,085 | 1988 | 2,621,270 | 1987 | 2,639,764 | 1986 | 2,641,204 | 1985 | 2,627,109 | 1984 | 2,600,857 | 1983 | 2,567,546 | 1982 | 2,535,966 | 1981 | 2,509,102 | 1980 | 2,482,684 | 1979 | 2,454,476 | 1978 | 2,427,293 | 1977 | 2,401,844 | 1976 | 2,376,439 | 1975 | 2,350,699 | 1974 | 2,323,710 | 1973 | 2,294,323 | 1972 | 2,261,494 | 1971 | 2,225,728 | 1970 | 2,188,286 | 1969 | 2,148,837 | 1968 | 2,106,578 | 1967 | 2,063,152 | 1966 | 2,020,485 | 1965 | 1,979,036 | 1964 | 1,940,328 | 1963 | 1,905,143 | 1962 | 1,872,075 | 1961 | 1,839,764 | 1960 | 1,806,858 |
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