Rank	Countries/Territories	Count	Percent
1	United States	221	33.8%
2	China	197	30.2%
3	Germany	62	9.5%
4	Canada	29	4.4%
5	Netherlands	21	3.2%
6	Brazil	16	2.5%
7	France	15	2.3%
8	Singapore	10	1.5%
9	Ukraine	10	1.5%
10	Japan	8	1.2%
11	Indonesia	6	0.9%
12	Russia	6	0.9%
13	Spain	5	0.8%
14	Cyprus	5	0.8%
15	Iran, Islamic Republic of	4	0.6%
16	Norway	4	0.6%
17	United Kingdom	3	0.5%
18	Israel	3	0.5%
19	Korea, Republic of	3	0.5%
20	Malaysia	3	0.5%
21	Mexico	2	0.3%
22	Italy	2	0.3%
23	Ethiopia	2	0.3%
24	Slovakia	2	0.3%
25	Sweden	2	0.3%
26	India	2	0.3%
27	New Zealand	2	0.3%
28	Poland	1	0.2%
29	Serbia	1	0.2%
30	Switzerland	1	0.2%
31	Taiwan	1	0.2%
32	Turkey	1	0.2%
33	Hong Kong	1	0.2%
34	Czech Republic	1	0.2%
35	Belgium	1	0.2%