Rank	Countries/Territories	Count	Percent
1	United States	246	34.9%
2	China	241	34.2%
3	Germany	51	7.2%
4	Korea, Republic of	21	3%
5	United Kingdom	14	2%
6	Japan	13	1.8%
7	Netherlands	13	1.8%
8	Canada	10	1.4%
9	France	9	1.3%
10	Singapore	9	1.3%
11	Taiwan	8	1.1%
12	Ireland	7	1%
13	Indonesia	6	0.9%
14	Ukraine	6	0.9%
15	Mexico	6	0.9%
16	Iran, Islamic Republic of	5	0.7%
17	Cyprus	5	0.7%
18	Australia	4	0.6%
19	Libya	4	0.6%
20	Russia	4	0.6%
21	South Africa	3	0.4%
22	India	3	0.4%
23	Finland	2	0.3%
24	Israel	2	0.3%
25	Sri Lanka	2	0.3%
26	Switzerland	2	0.3%
27	Norway	2	0.3%
28	Viet Nam	2	0.3%
29	Thailand	1	0.1%
30	Portugal	1	0.1%
31	Lithuania	1	0.1%
32	Malaysia	1	0.1%
33	Hong Kong	1	0.1%