Rank	Countries/Territories	Count	Percent
1	China	338	38.3%
2	United States	309	35%
3	Germany	92	10.4%
4	Canada	19	2.2%
5	Japan	15	1.7%
6	Netherlands	14	1.6%
7	France	9	1%
8	Russia	8	0.9%
9	Singapore	7	0.8%
10	Lithuania	7	0.8%
11	Ukraine	7	0.8%
12	Australia	7	0.8%
13	India	5	0.6%
14	United Kingdom	5	0.6%
15	Portugal	4	0.5%
16	Italy	4	0.5%
17	Korea, Republic of	4	0.5%
18	Hong Kong	4	0.5%
19	Iran, Islamic Republic of	3	0.3%
20	Ireland	3	0.3%
21	Taiwan	3	0.3%
22	Turkey	2	0.2%
23	Switzerland	2	0.2%
24	Mexico	2	0.2%
25	Cyprus	2	0.2%
26	Chile	2	0.2%
27	Brazil	1	0.1%
28	Israel	1	0.1%
29	Slovenia	1	0.1%
30	Sweden	1	0.1%
31	Syrian Arab Republic	1	0.1%
32	Uzbekistan	1	0.1%