Rank	Countries/Territories	Count	Percent
1	China	266	50.3%
2	United States	132	25%
3	Korea, Republic of	15	2.8%
4	India	14	2.6%
5	Iran, Islamic Republic of	12	2.3%
6		12	2.3%
7	Japan	11	2.1%
8	Singapore	10	1.9%
9	Sweden	10	1.9%
10	Taiwan	10	1.9%
11	Germany	7	1.3%
12	Netherlands	6	1.1%
13	Australia	6	1.1%
14	Colombia	3	0.6%
15	Finland	2	0.4%
16	France	2	0.4%
17	Mexico	2	0.4%
18	Indonesia	2	0.4%
19	Thailand	2	0.4%
20	Mongolia	1	0.2%
21	Nigeria	1	0.2%
22	Russia	1	0.2%
23	Bulgaria	1	0.2%
24	Argentina	1	0.2%