Year | Value | 2022 | 2,187,146 | 2021 | 2,243,862 | 2020 | 2,290,552 | 2019 | 2,311,323 | 2018 | 2,305,412 | 2017 | 2,280,775 | 2016 | 2,258,168 | 2015 | 2,252,600 | 2014 | 2,261,443 | 2013 | 2,276,344 | 2012 | 2,284,373 | 2011 | 2,283,201 | 2010 | 2,276,660 | 2009 | 2,265,320 | 2008 | 2,249,652 | 2007 | 2,239,514 | 2006 | 2,234,238 | 2005 | 2,226,451 | 2004 | 2,216,380 | 2003 | 2,205,402 | 2002 | 2,199,174 | 2001 | 2,196,025 | 2000 | 2,197,595 | 1999 | 2,205,159 | 1998 | 2,216,739 | 1997 | 2,224,282 | 1996 | 2,216,049 | 1995 | 2,144,279 | 1994 | 2,015,149 | 1993 | 1,881,397 | 1992 | 1,737,408 | 1991 | 1,582,330 | 1990 | 1,476,629 | 1989 | 1,448,506 | 1988 | 1,436,438 | 1987 | 1,438,628 | 1986 | 1,468,233 | 1985 | 1,507,432 | 1984 | 1,534,518 | 1983 | 1,554,908 | 1982 | 1,581,231 | 1981 | 1,612,671 | 1980 | 1,644,334 | 1979 | 1,665,384 | 1978 | 1,676,944 | 1977 | 1,682,175 | 1976 | 1,679,917 | 1975 | 1,676,476 | 1974 | 1,674,654 | 1973 | 1,676,567 | 1972 | 1,680,083 | 1971 | 1,689,526 | 1970 | 1,702,764 | 1969 | 1,651,216 | 1968 | 1,521,525 | 1967 | 1,366,811 | 1966 | 1,189,515 | 1965 | 1,020,132 | 1964 | 989,043 | 1963 | 1,090,475 | 1962 | 1,217,646 | 1961 | 1,353,627 | 1960 | 1,474,253 |
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