Year	number
2006	49721
2007	62919
2008	70303
2009	60813
2010	86645
2011	97405
2012	103078
2013	91841
2014	69841
2015	80546
2016	93714
2017	107492
2018	117834
2019	128565
2020	142000
2021	167606
2022	173114