Year	Number
1996	402442.66609627375
1997	418071.01465652895
1998	422292.99532353634
1999	417790.4300058345
2000	436826.41822728765
2001	449466.6090887627
2002	462217.4828763646
2003	476961.58919121424
2004	505639.0657091372
2005	550237.256705966
2006	570815.8946774859
2007	595578.7275896532
2008	620996.5571794235
2009	647782.1617357354
2010	664431.2094946733
2011	690967.662525755
2012	716098.255543354
2013	731725.2888874804
2014	749663.1383570853
2015	763694.0394284683
2016	778894.9533414408
2017	788030.2725224105
2018	801793.1158822424
2019	833687.0019267101
2020	876946.2868597457