Year	number of cases
2008	24276685
2009	7349800
2010	19001800
2011	9172800
2012	9920350
2013	14852332
2014	10965826
2015	7779520
2016	15357033
2017	8514540
2018	9324630
2019	9685844
2020	11786475
2021	13631610
2022	9982878
2023	8946159