| Year | Value | | 2022 | 1,317,990 | | 2021 | 1,288,107 | | 2020 | 1,274,737 | | 2019 | 1,272,441 | | 2018 | 1,281,930 | | 2017 | 1,304,873 | | 2016 | 1,339,881 | | 2015 | 1,385,526 | | 2014 | 1,435,335 | | 2013 | 1,483,175 | | 2012 | 1,524,217 | | 2011 | 1,555,261 | | 2010 | 1,554,903 | | 2009 | 1,538,622 | | 2008 | 1,530,247 | | 2007 | 1,517,969 | | 2006 | 1,502,987 | | 2005 | 1,484,043 | | 2004 | 1,461,896 | | 2003 | 1,433,030 | | 2002 | 1,392,645 | | 2001 | 1,344,273 | | 2000 | 1,296,736 | | 1999 | 1,254,077 | | 1998 | 1,221,792 | | 1997 | 1,190,674 | | 1996 | 1,162,811 | | 1995 | 1,137,803 | | 1994 | 1,115,832 | | 1993 | 1,094,923 | | 1992 | 1,072,559 | | 1991 | 1,049,610 | | 1990 | 1,029,502 | | 1989 | 1,010,735 | | 1988 | 986,441 | | 1987 | 964,062 | | 1986 | 947,049 | | 1985 | 935,926 | | 1984 | 930,068 | | 1983 | 927,072 | | 1982 | 924,520 | | 1981 | 918,874 | | 1980 | 907,063 | | 1979 | 887,784 | | 1978 | 860,326 | | 1977 | 824,601 | | 1976 | 784,758 | | 1975 | 744,691 | | 1974 | 705,838 | | 1973 | 670,169 | | 1972 | 637,605 | | 1971 | 606,999 | | 1970 | 578,195 | | 1969 | 541,616 | | 1968 | 492,800 | | 1967 | 439,669 | | 1966 | 385,622 | | 1965 | 332,091 | | 1964 | 290,283 | | 1963 | 266,226 | | 1962 | 254,161 | | 1961 | 252,242 | | 1960 | 259,444 |
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