Rank	Countries/Territories	Count	Percent
1	China	309	38.5%
2	United States	276	34.4%
3	Germany	84	10.5%
4	Canada	19	2.4%
5	Japan	15	1.9%
6	Netherlands	12	1.5%
7	France	8	1%
8	Australia	7	0.9%
9	Lithuania	7	0.9%
10	Russia	7	0.9%
11	Singapore	7	0.9%
12	Ukraine	7	0.9%
13	India	5	0.6%
14	Hong Kong	4	0.5%
15	United Kingdom	4	0.5%
16	Portugal	4	0.5%
17	Iran, Islamic Republic of	3	0.4%
18	Ireland	3	0.4%
19	Italy	2	0.2%
20	Korea, Republic of	2	0.2%
21	Cyprus	2	0.2%
22	Chile	2	0.2%
23	Mexico	2	0.2%
24	Switzerland	2	0.2%
25	Taiwan	2	0.2%
26	Turkey	2	0.2%
27	Syrian Arab Republic	1	0.1%
28	Uzbekistan	1	0.1%
29	Slovenia	1	0.1%
30	Sweden	1	0.1%
31	Brazil	1	0.1%
32	Israel	1	0.1%