Year	Number
1995	36387000
1996	44713000
1997	48610000
1998	49328000
1999	55097000
2000	56677000
2001	53122000
2002	45043000
2003	38730000
2004	37226000
2005	40841000
2006	44696000
2007	47561000
2008	50243000
2009	39270000
2010	42760000
2011	43270000
2012	48290000
2013	52580000
2014	35400000
2015	44300000
2016	44500000
2017	46700000
2018	48600000
2019	50600000