Rank	Countries/Territories	Count	Percent
1	China	305	38.9%
2	United States	275	35.1%
3	Germany	78	9.9%
4	India	15	1.9%
5	Singapore	12	1.5%
6	Canada	11	1.4%
7	Netherlands	9	1.1%
8	Japan	8	1%
9	Ireland	6	0.8%
10	Hong Kong	6	0.8%
11	Cyprus	6	0.8%
12	United Kingdom	6	0.8%
13	France	5	0.6%
14	Malaysia	5	0.6%
15	Italy	4	0.5%
16	Argentina	4	0.5%
17	Poland	4	0.5%
18	Viet Nam	3	0.4%
19	Iran, Islamic Republic of	3	0.4%
20	Korea, Republic of	3	0.4%
21	Mongolia	2	0.3%
22	Australia	2	0.3%
23	Croatia	2	0.3%
24	Pakistan	2	0.3%
25	Sweden	2	0.3%
26	Taiwan	2	0.3%
27	Ukraine	2	0.3%
28	Switzerland	1	0.1%
29	Russia	1	0.1%