| Year | Value | | 2022 | 1,531,044 | | 2021 | 1,525,663 | | 2020 | 1,518,147 | | 2019 | 1,519,955 | | 2018 | 1,504,709 | | 2017 | 1,478,607 | | 2016 | 1,469,330 | | 2015 | 1,460,177 | | 2014 | 1,450,661 | | 2013 | 1,440,729 | | 2012 | 1,430,377 | | 2011 | 1,420,020 | | 2010 | 1,410,296 | | 2009 | 1,401,191 | | 2008 | 1,392,803 | | 2007 | 1,384,861 | | 2006 | 1,376,919 | | 2005 | 1,369,075 | | 2004 | 1,361,172 | | 2003 | 1,353,548 | | 2002 | 1,345,964 | | 2001 | 1,338,567 | | 2000 | 1,332,203 | | 1999 | 1,327,063 | | 1998 | 1,322,572 | | 1997 | 1,318,171 | | 1996 | 1,313,434 | | 1995 | 1,307,822 | | 1994 | 1,301,393 | | 1993 | 1,293,974 | | 1992 | 1,285,502 | | 1991 | 1,276,224 | | 1990 | 1,266,518 | | 1989 | 1,256,210 | | 1988 | 1,244,633 | | 1987 | 1,231,442 | | 1986 | 1,216,370 | | 1985 | 1,199,785 | | 1984 | 1,184,747 | | 1983 | 1,171,273 | | 1982 | 1,157,140 | | 1981 | 1,142,695 | | 1980 | 1,127,852 | | 1979 | 1,112,310 | | 1978 | 1,096,569 | | 1977 | 1,081,693 | | 1976 | 1,067,696 | | 1975 | 1,054,017 | | 1974 | 1,040,291 | | 1973 | 1,026,563 | | 1972 | 1,013,031 | | 1971 | 1,000,130 | | 1970 | 988,890 | | 1969 | 978,642 | | 1968 | 967,699 | | 1967 | 955,681 | | 1966 | 942,599 | | 1965 | 928,462 | | 1964 | 913,399 | | 1963 | 897,658 | | 1962 | 881,519 | | 1961 | 865,028 | | 1960 | 847,063 |
|