| Year | Value | | 2022 | 1,444,242 | | 2021 | 1,544,520 | | 2020 | 1,535,147 | | 2019 | 1,545,967 | | 2018 | 1,587,207 | | 2017 | 1,644,261 | | 2016 | 1,708,977 | | 2015 | 1,783,309 | | 2014 | 1,852,215 | | 2013 | 1,899,058 | | 2012 | 1,916,688 | | 2011 | 1,916,190 | | 2010 | 1,890,957 | | 2009 | 1,861,715 | | 2008 | 1,833,762 | | 2007 | 1,808,120 | | 2006 | 1,797,030 | | 2005 | 1,796,443 | | 2004 | 1,810,319 | | 2003 | 1,812,106 | | 2002 | 1,773,168 | | 2001 | 1,706,702 | | 2000 | 1,589,957 | | 1999 | 1,431,437 | | 1998 | 1,299,266 | | 1997 | 1,236,204 | | 1996 | 1,269,594 | | 1995 | 1,409,335 | | 1994 | 1,611,935 | | 1993 | 1,843,541 | | 1992 | 2,071,434 | | 1991 | 2,185,132 | | 1990 | 2,176,125 | | 1989 | 2,071,041 | | 1988 | 1,865,844 | | 1987 | 1,658,638 | | 1986 | 1,533,883 | | 1985 | 1,522,821 | | 1984 | 1,618,612 | | 1983 | 1,777,715 | | 1982 | 1,919,279 | | 1981 | 2,020,728 | | 1980 | 2,070,506 | | 1979 | 2,076,788 | | 1978 | 2,060,487 | | 1977 | 2,014,128 | | 1976 | 1,937,405 | | 1975 | 1,818,877 | | 1974 | 1,686,159 | | 1973 | 1,562,446 | | 1972 | 1,415,655 | | 1971 | 1,277,862 | | 1970 | 1,220,163 | | 1969 | 1,266,114 | | 1968 | 1,351,060 | | 1967 | 1,483,521 | | 1966 | 1,635,666 | | 1965 | 1,739,251 | | 1964 | 1,757,776 | | 1963 | 1,708,774 | | 1962 | 1,644,365 | | 1961 | 1,582,596 | | 1960 | 1,513,364 |
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