Rank	Countries/Territories	Count	Percent
1	United States	245	32.9%
2	China	200	26.8%
3	Germany	61	8.2%
4	Japan	33	4.4%
5	France	21	2.8%
6	Iran, Islamic Republic of	17	2.3%
7	Korea, Republic of	16	2.1%
8	Turkey	14	1.9%
9	Norway	14	1.9%
10	Italy	12	1.6%
11	India	10	1.3%
12	Netherlands	9	1.2%
13	Mexico	8	1.1%
14	Singapore	8	1.1%
15	Czech Republic	8	1.1%
16	Ireland	7	0.9%
17	Slovakia	6	0.8%
18	Taiwan	6	0.8%
19	Romania	6	0.8%
20	United Kingdom	5	0.7%
21	Argentina	5	0.7%
22	Cyprus	4	0.5%
23	Canada	4	0.5%
24	Hong Kong	4	0.5%
25	Israel	3	0.4%
26	Iraq	3	0.4%
27	Russia	3	0.4%
28	New Zealand	3	0.4%
29	Moldova, Republic of	2	0.3%
30	Australia	2	0.3%
31	Brazil	2	0.3%
32	Malaysia	1	0.1%
33	Philippines	1	0.1%
34	Poland	1	0.1%
35	Portugal	1	0.1%