Year	Number
2000	152000
2001	150000
2002	151000
2003	149000
2004	147000
2005	146000
2006	143000
2007	143000
2008	142000
2009	141000
2010	138000
2011	136000
2012	131000
2013	128000
2014	126000
2015	124000
2016	120000
2017	119000
2018	117000
2019	116000
2020	116000