| Year | Value | | 2022 | 1,381,866 | | 2021 | 1,769,222 | | 2020 | 1,838,256 | | 2019 | 1,891,382 | | 2018 | 1,935,293 | | 2017 | 1,947,661 | | 2016 | 1,918,261 | | 2015 | 1,880,938 | | 2014 | 1,842,475 | | 2013 | 1,789,370 | | 2012 | 1,735,562 | | 2011 | 1,709,748 | | 2010 | 1,693,536 | | 2009 | 1,676,666 | | 2008 | 1,665,151 | | 2007 | 1,662,589 | | 2006 | 1,660,595 | | 2005 | 1,651,967 | | 2004 | 1,637,621 | | 2003 | 1,622,357 | | 2002 | 1,607,949 | | 2001 | 1,594,829 | | 2000 | 1,590,091 | | 1999 | 1,606,673 | | 1998 | 1,653,629 | | 1997 | 1,715,648 | | 1996 | 1,787,410 | | 1995 | 1,872,595 | | 1994 | 1,951,772 | | 1993 | 1,996,787 | | 1992 | 2,006,796 | | 1991 | 1,995,306 | | 1990 | 1,966,741 | | 1989 | 1,940,065 | | 1988 | 1,908,365 | | 1987 | 1,876,318 | | 1986 | 1,862,214 | | 1985 | 1,857,506 | | 1984 | 1,862,338 | | 1983 | 1,853,780 | | 1982 | 1,805,801 | | 1981 | 1,732,632 | | 1980 | 1,604,680 | | 1979 | 1,434,845 | | 1978 | 1,294,170 | | 1977 | 1,208,344 | | 1976 | 1,212,124 | | 1975 | 1,333,008 | | 1974 | 1,518,632 | | 1973 | 1,735,102 | | 1972 | 1,965,038 | | 1971 | 2,095,879 | | 1970 | 2,109,170 | | 1969 | 2,029,843 | | 1968 | 1,857,273 | | 1967 | 1,664,477 | | 1966 | 1,530,272 | | 1965 | 1,508,125 | | 1964 | 1,571,093 | | 1963 | 1,692,760 | | 1962 | 1,804,362 | | 1961 | 1,849,806 | | 1960 | 1,810,955 |
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