Year	number of cases
2008	3443595
2009	984220
2010	6061600
2011	1010396
2012	861300
2013	347753
2014	560542
2015	424460
2016	1952860
2017	2569389
2018	383784
2019	553041
2020	2929907
2021	981436
2022	1342493
2023	1678600