Year	Number
1970	87463.4609375
1971	92869.21875
1972	98891.7265625
1973	104421.5234375
1974	111914.84375
1975	118058.8046875
1976	123431.7421875
1977	128701.8359375
1978	131920.84375
1979	135663.953125
1980	138136.5625
1981	138559.609375
1982	141874.125
1983	142052.625
1984	142794.8125
1985	139825.328125
1986	140332.171875
1987	142554.703125
1988	143008.078125
1989	144448.921875
1990	146813.5625
1991	161493.390625
1992	169991.40625
1993	174145.5625
1994	177338.078125
1995	180727.9375
1996	182588.890625
1997	189577.9375
1998	189415.953125
1999	193755.53125
2000	191794.203125
2001	195265.3125
2002	204160.234375
2003	208362.234375
2004	210584.609375
2005	210924.8125
2006	215785.21875
2007	217591.5625
2008	222831.546875
2009	229673.1875
2010	237482.90625
2011	238893.140625
2012	236653.375
2013	237843.203125
2014	239049.109375
2015	240587.203125
2016	241794.390625
2017	243916.40625
2018	246509.078125
2019	249943.484375
2020	253366.84375
2021	259217.40625