Year	Number
1979	797785
2005	3097604
2007	3173807
2008	3211387
2009	3255243
2010	3321066
2011	3347680
2012	3436259
2013	2698044
2014	2805421
2015	2906229
2016	3042527
2017	3197141
2018	3213483
2019	3153747
2020	3242120
2021	3229497
2022	3311051