Year	Number
1970	973466.3125
1971	1040881.4375
1972	1059884.5
1973	1041404.25
1974	1042059.5625
1975	1000009.4375
1976	982053
1977	987780.4375
1978	975421.5625
1979	965029.75
1980	939197.9375
1981	925222.8125
1982	931699.1875
1983	928435.125
1984	914078
1985	904498.5625
1986	891274.6875
1987	893597.5
1988	893214.0625
1989	909625.625
1990	902734.875
1991	900037.5625
1992	908274.125
1993	912928.4375
1994	919895.6875
1995	912308.5
1996	902186.375
1997	890972.4375
1998	879898.25
1999	862555.875
2000	864667.5
2001	853522.9375
2002	838339
2003	835790.1875
2004	839768.875
2005	831683.1875
2006	821610.625
2007	804203
2008	811493
2009	800354
2010	778371
2011	771797.125
2012	760244
2013	748419
2014	735901.8125
2015	731870.5625
2016	723426.0625
2017	715358.5625
2018	713314.125
2019	692677.375
2020	679478.875
2021	663662
2022	653465.625