Cumulative Risk Assessment of Dietary Exposure to Pesticide Residues in Brown Rice (Oryza sativa L.) from the Three Main Rice-Growing Regions in China during 2016–2020

Table 2

The variations of pesticide residue levels in brown rice samples in different years in China.

Year	No. of samples analyzed	No. of samples with pesticides detected (%)	No. of samples over MRLs (%)
2016	1111	39.15	3.59
2017	1059	36.92	4.04
2018	1244	37.94	1.53
2019	1182	32.49	1.18
2020	1633	34.11	1.53