| Year | Value | | 2022 | 1,385,573 | | 2021 | 1,404,454 | | 2020 | 1,419,264 | | 2019 | 1,428,828 | | 2018 | 1,435,881 | | 2017 | 1,440,219 | | 2016 | 1,442,176 | | 2015 | 1,444,890 | | 2014 | 1,449,241 | | 2013 | 1,452,162 | | 2012 | 1,454,486 | | 2011 | 1,456,171 | | 2010 | 1,458,913 | | 2009 | 1,464,541 | | 2008 | 1,472,476 | | 2007 | 1,481,621 | | 2006 | 1,490,629 | | 2005 | 1,497,909 | | 2004 | 1,503,547 | | 2003 | 1,508,084 | | 2002 | 1,512,520 | | 2001 | 1,516,640 | | 2000 | 1,531,486 | | 1999 | 1,542,851 | | 1998 | 1,555,099 | | 1997 | 1,568,273 | | 1996 | 1,582,170 | | 1995 | 1,596,532 | | 1994 | 1,611,360 | | 1993 | 1,626,510 | | 1992 | 1,641,879 | | 1991 | 1,657,265 | | 1990 | 1,672,564 | | 1989 | 1,647,716 | | 1988 | 1,608,490 | | 1987 | 1,582,382 | | 1986 | 1,554,590 | | 1985 | 1,527,920 | | 1984 | 1,499,501 | | 1983 | 1,470,490 | | 1982 | 1,441,394 | | 1981 | 1,412,573 | | 1980 | 1,385,442 | | 1979 | 1,357,858 | | 1978 | 1,331,341 | | 1977 | 1,303,976 | | 1976 | 1,275,199 | | 1975 | 1,246,949 | | 1974 | 1,217,969 | | 1973 | 1,189,506 | | 1972 | 1,160,831 | | 1971 | 1,131,270 | | 1970 | 1,103,177 | | 1969 | 1,074,358 | | 1968 | 1,042,667 | | 1967 | 1,012,445 | | 1966 | 985,191 | | 1965 | 958,638 | | 1964 | 931,687 | | 1963 | 904,376 | | 1962 | 877,319 | | 1961 | 850,324 | | 1960 | 823,752 |
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