| Year | Value | | 2022 | 1,530,390 | | 2021 | 1,534,475 | | 2020 | 1,540,097 | | 2019 | 1,545,834 | | 2018 | 1,551,563 | | 2017 | 1,556,899 | | 2016 | 1,561,467 | | 2015 | 1,565,465 | | 2014 | 1,568,781 | | 2013 | 1,572,193 | | 2012 | 1,576,538 | | 2011 | 1,581,404 | | 2010 | 1,587,223 | | 2009 | 1,593,247 | | 2008 | 1,599,812 | | 2007 | 1,607,400 | | 2006 | 1,615,571 | | 2005 | 1,623,111 | | 2004 | 1,629,805 | | 2003 | 1,636,478 | | 2002 | 1,644,189 | | 2001 | 1,656,074 | | 2000 | 1,672,231 | | 1999 | 1,689,409 | | 1998 | 1,705,134 | | 1997 | 1,719,117 | | 1996 | 1,731,224 | | 1995 | 1,741,289 | | 1994 | 1,763,232 | | 1993 | 1,799,431 | | 1992 | 1,850,249 | | 1991 | 1,867,291 | | 1990 | 1,837,371 | | 1989 | 1,783,917 | | 1988 | 1,743,608 | | 1987 | 1,735,457 | | 1986 | 1,722,333 | | 1985 | 1,708,118 | | 1984 | 1,692,940 | | 1983 | 1,675,528 | | 1982 | 1,657,028 | | 1981 | 1,639,588 | | 1980 | 1,622,851 | | 1979 | 1,604,622 | | 1978 | 1,574,738 | | 1977 | 1,535,546 | | 1976 | 1,498,440 | | 1975 | 1,462,688 | | 1974 | 1,427,332 | | 1973 | 1,393,239 | | 1972 | 1,360,258 | | 1971 | 1,328,287 | | 1970 | 1,298,093 | | 1969 | 1,268,487 | | 1968 | 1,237,892 | | 1967 | 1,207,119 | | 1966 | 1,176,470 | | 1965 | 1,145,390 | | 1964 | 1,113,577 | | 1963 | 1,080,947 | | 1962 | 1,047,383 | | 1961 | 1,013,306 | | 1960 | 979,519 |
|