Table 2.

The top 10 productive countries on BPA and thyroid hormones research from 2000 to 2019.

Rank	Country	Record	Proportion (%)	H-index	TC∗	AC†
1	USA	124	29.74	40	5372	43.32
2	Peoples Republic of China	83	19.90	22	1575	18.98
3	Japan	59	14.15	28	3190	54.07
4	Canada	31	7.43	16	758	24.45
5	France	23	5.52	13	685	29.78
6	South Korea	23	5.52	13	703	30.57
7	Germany	22	5.28	17	1166	53.00
8	Italy	19	4.56	13	704	37.05
9	the Netherlands	18	4.32	16	1833	101.83
10	England	13	3.12	9	859	66.08