Rank	Countries/Territories	Count	Percent
1	China	177	44.2%
2	United States	91	22.8%
3	Iran, Islamic Republic of	22	5.5%
4	India	20	5%
5		19	4.8%
6	Japan	13	3.2%
7	Germany	11	2.8%
8	France	9	2.2%
9	Australia	6	1.5%
10	Brazil	5	1.2%
11	Indonesia	5	1.2%
12	United Kingdom	4	1%
13	Singapore	4	1%
14	Romania	3	0.8%
15	Norway	2	0.5%
16	Canada	2	0.5%
17	Bangladesh	2	0.5%
18	Turkey	2	0.5%
19	Belarus	1	0.2%
20	Russia	1	0.2%
21	Netherlands	1	0.2%