Year	Number
2007	198800
2008	181917
2009	173647
2010	175271
2011	170842
2012	166620
2013	162528
2014	161023
2015	162629
2016	161560
2017	161483
2018	159380
2019	157304
2020	152333
2021	147690
2022	143873
2023	142661