Year	Number
1970	53809.3359375
1971	54710.046875
1972	65241.1328125
1973	75172.203125
1974	81137.1484375
1975	92666.109375
1976	105094.390625
1977	117381.765625
1978	130894.6953125
1979	141417.703125
1980	154097.359375
1981	166775.484375
1982	179132.75
1983	203613.953125
1984	231532.765625
1985	250264.359375
1986	273902.59375
1987	298207
1988	321416.375
1989	332779.59375
1990	362408.40625
1991	389036.5
1992	400165.21875
1993	421127.34375
1994	447852.625
1995	469808.59375
1996	501103.71875
1997	534275.1875
1998	568025.875
1999	598563.5625
2000	623043.9375
2001	648484.0625
2002	664884.8125
2003	708189.125
2004	723258.4375
2005	747043.625
2006	776435.5625
2007	802895.6875
2008	832175.0625
2009	868668.8125
2010	875926.375
2011	915314.9375
2012	925728.1875
2013	899311.0625
2014	885455.4375
2015	891748.0625
2016	902737.4375
2017	913357.6875
2018	935820.6875
2019	943951.6875
2020	952254.375
2021	962105.25
2022	957315.8125
