Year	number of cases
2008	4072235
2009	2598820
2010	3551150
2011	1692700
2012	2895120
2013	3106504
2014	1689476
2015	6002985
2016	3020152
2017	4268693
2018	2754183
2019	7809449
2020	10010406
2021	3319310
2022	6663553
2023	9369552