Year	Number
2000	165000
2001	161000
2002	147000
2003	140000
2004	133000
2005	125000
2006	110000
2007	106000
2008	99000
2009	94000
2010	84000
2011	80000
2012	75000
2013	72000
2014	65000
2015	62000
2016	59000
2017	56000
2018	55000
2019	54000
2020	47000