Rank	Countries/Territories	Count	Percent
1	United States	190	30.7%
2	China	155	25%
3	Germany	93	15%
4	Brazil	17	2.7%
5	Norway	15	2.4%
6	Japan	14	2.3%
7	Canada	13	2.1%
8	Korea, Republic of	12	1.9%
9	Romania	12	1.9%
10	Netherlands	10	1.6%
11	Australia	9	1.5%
12	Belgium	9	1.5%
13	India	7	1.1%
14	United Kingdom	7	1.1%
15	Turkey	5	0.8%
16	Switzerland	5	0.8%
17	Singapore	5	0.8%
18	Russia	4	0.6%
19	Spain	4	0.6%
20	Taiwan	3	0.5%
21	Poland	3	0.5%
22	Mexico	3	0.5%
23	Ireland	3	0.5%
24	Cyprus	3	0.5%
25	Denmark	2	0.3%
26	France	2	0.3%
27	Israel	2	0.3%
28	Iran, Islamic Republic of	2	0.3%
29	Thailand	2	0.3%
30	United Arab Emirates	2	0.3%
31	Sweden	1	0.2%
32	Portugal	1	0.2%
33	Argentina	1	0.2%
34	Slovakia	1	0.2%
35	Hong Kong	1	0.2%
36	Italy	1	0.2%