Year | Value | 2022 | 39,579,021 | 2021 | 38,364,362 | 2020 | 37,146,178 | 2019 | 36,006,295 | 2018 | 34,963,527 | 2017 | 33,967,021 | 2016 | 33,035,686 | 2015 | 32,184,845 | 2014 | 31,370,557 | 2013 | 30,559,050 | 2012 | 29,773,204 | 2011 | 28,986,415 | 2010 | 28,195,907 | 2009 | 27,396,824 | 2008 | 26,562,400 | 2007 | 25,785,601 | 2006 | 25,048,734 | 2005 | 24,245,108 | 2004 | 23,428,462 | 2003 | 22,634,451 | 2002 | 21,848,175 | 2001 | 21,110,156 | 2000 | 20,435,130 | 1999 | 19,775,056 | 1998 | 19,126,398 | 1997 | 18,524,554 | 1996 | 17,987,201 | 1995 | 17,450,237 | 1994 | 16,788,337 | 1993 | 16,133,772 | 1992 | 15,586,364 | 1991 | 15,083,153 | 1990 | 14,634,077 | 1989 | 14,187,124 | 1988 | 13,737,310 | 1987 | 13,319,573 | 1986 | 12,952,639 | 1985 | 12,630,021 | 1984 | 12,315,398 | 1983 | 12,020,144 | 1982 | 11,735,057 | 1981 | 11,458,280 | 1980 | 11,177,558 | 1979 | 10,822,633 | 1978 | 10,435,183 | 1977 | 10,111,425 | 1976 | 9,864,802 | 1975 | 9,655,303 | 1974 | 9,476,544 | 1973 | 9,306,952 | 1972 | 9,112,089 | 1971 | 8,894,670 | 1970 | 8,667,044 | 1969 | 8,444,954 | 1968 | 8,239,808 | 1967 | 8,054,051 | 1966 | 7,882,067 | 1965 | 7,713,260 | 1964 | 7,545,862 | 1963 | 7,382,665 | 1962 | 7,224,435 | 1961 | 7,073,665 | 1960 | 6,935,867 |
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