Year	Number
1970	22099.193359375
1971	21924.25390625
1972	22795.017578125
1973	23381.83984375
1974	23842.62109375
1975	24127.869140625
1976	24513.36328125
1977	25036.869140625
1978	25370.333984375
1979	25732.72265625
1980	26172.3046875
1981	26652.5625
1982	27260.353515625
1983	28023.90625
1984	28755.6796875
1985	29480.716796875
1986	30093.96875
1987	30466.498046875
1988	30795.90625
1989	31558.150390625
1990	34176.84765625
1991	35217.40625
1992	36113.328125
1993	36834.9921875
1994	38400.47265625
1995	41237.37890625
1996	40757.60546875
1997	41618.81640625
1998	43688.25390625
1999	43418.93359375
2000	45754.44140625
2001	47434.0078125
2002	49006.421875
2003	50906.29296875
2004	53906.40625
2005	54430.23828125
2006	56338.52734375
2007	58085.9140625
2008	59378.18359375
2009	61319.265625
2010	63302.609375
2011	63713.375
2012	65391.05859375
2013	66923.6875
2014	67497.234375
2015	69202.71875
2016	73271.9609375
2017	74634.8671875
2018	74446.3359375
2019	75856.0234375
2020	78613.46875
2021	79095.3125
2022	79042.3046875