Rank	Countries/Territories	Count	Percent
1	China	413	39.3%
2	United States	314	29.9%
3	Germany	52	5%
4	Czech Republic	28	2.7%
5	Japan	27	2.6%
6	Netherlands	17	1.6%
7	United Kingdom	17	1.6%
8	Korea, Republic of	15	1.4%
9	India	14	1.3%
10	Singapore	12	1.1%
11	Switzerland	12	1.1%
12	Viet Nam	12	1.1%
13	Canada	11	1%
14	Turkey	10	1%
15	Brazil	8	0.8%
16	Australia	8	0.8%
17	Hong Kong	8	0.8%
18	Iran, Islamic Republic of	7	0.7%
19	Ireland	7	0.7%
20	Romania	7	0.7%
21	Spain	6	0.6%
22	Cyprus	6	0.6%
23	Italy	5	0.5%
24	Indonesia	5	0.5%
25	France	4	0.4%
26	Ukraine	4	0.4%
27	Poland	4	0.4%
28	Portugal	3	0.3%
29	Pakistan	3	0.3%
30	Norway	2	0.2%
31	Taiwan	2	0.2%
32	Iraq	2	0.2%
33	Bangladesh	1	0.1%
34	Belgium	1	0.1%
35	Sweden	1	0.1%
36	Mauritius	1	0.1%
37	Philippines	1	0.1%