Year	Effective sample A-shares
Year	Q1	Q2	Q3	Q4	all
2016	2466	2514	2539	2635	10,184
2017	2720	2810	2835	2914	11,279
2018	3034	3060	3070	3084	12,248
2019	3126	3150	3252	3269	12,797
2020	3251	3240	3249	3250	12,990