Year	Number
1973	8796.72265625
1974	8944.8115234375
1975	10188.19140625
1976	11264.033203125
1977	11627.1962890625
1978	12193.4013671875
1979	12689.435546875
1980	13405.3818359375
1981	12798.791015625
1982	12964.35546875
1983	13176.1103515625
1984	13180.39453125
1985	13290.9130859375
1986	14669.166015625
1987	14859.9970703125
1988	14919.8173828125
1989	15433.8671875
1990	15622.869140625
1991	15505.064453125
1992	16146.9423828125
1993	16696.9296875
1994	18322.74609375
1995	17681.728515625
1996	19279.826171875
1997	21152.9296875
1998	18977.427734375
1999	19851.26953125
2000	20409.23046875
2001	20700.9140625
2002	20807.849609375
2003	20543.783203125
2004	21612.7109375
2005	22091.9140625
2006	21943.900390625
2007	22689.736328125
2008	24623.1953125
2009	26679.826171875
2010	28603.900390625
2011	26346.3125
2012	25836.005859375
2013	26270.28125
2014	26301.349609375
2015	26641.408203125
2016	26377.44921875
2017	27761.916015625
2018	27603.556640625
2019	29545.904296875
2020	29409.076171875
2021	27275.158203125
2022	29571.1328125