Rank	Countries/Territories	Count	Percent
1	United States	248	32.1%
2	China	232	30%
3	Germany	77	10%
4	India	37	4.8%
5	France	26	3.4%
6	Netherlands	26	3.4%
7	Korea, Republic of	12	1.6%
8	Brazil	10	1.3%
9	United Kingdom	10	1.3%
10	Russia	9	1.2%
11	Hong Kong	6	0.8%
12	Canada	6	0.8%
13	Cyprus	6	0.8%
14	Greece	6	0.8%
15	Poland	5	0.6%
16	Portugal	4	0.5%
17	Singapore	4	0.5%
18	Switzerland	4	0.5%
19	Taiwan	4	0.5%
20	Turkey	4	0.5%
21	Iran, Islamic Republic of	4	0.5%
22	Indonesia	3	0.4%
23	Egypt	3	0.4%
24	Peru	3	0.4%
25	Sweden	3	0.4%
26	Luxembourg	2	0.3%
27	Palestine, State of	2	0.3%
28	Thailand	2	0.3%
29	South Africa	2	0.3%
30	Australia	2	0.3%
31	Ghana	2	0.3%
32	Guatemala	2	0.3%
33	Japan	1	0.1%
34	Jordan	1	0.1%
35	Kazakhstan	1	0.1%
36	Spain	1	0.1%
37	Saudi Arabia	1	0.1%
38	Ukraine	1	0.1%
39	Romania	1	0.1%