Rank	Countries/Territories	Count	Percent
1	United States	373	34.6%
2	China	267	24.7%
3	Germany	96	8.9%
4	Japan	49	4.5%
5	India	39	3.6%
6	Russia	37	3.4%
7	Korea, Republic of	34	3.2%
8	Canada	23	2.1%
9	Brazil	16	1.5%
10	Switzerland	14	1.3%
11	Netherlands	14	1.3%
12	Ukraine	14	1.3%
13	France	13	1.2%
14	Turkey	9	0.8%
15	Pakistan	8	0.7%
16	Ireland	7	0.6%
17	Taiwan	7	0.6%
18	Singapore	7	0.6%
19	Cyprus	6	0.6%
20	United Kingdom	6	0.6%
21	Egypt	5	0.5%
22	Australia	5	0.5%
23	Mexico	5	0.5%
24	Poland	4	0.4%
25	Spain	3	0.3%
26	Lithuania	3	0.3%
27	Indonesia	2	0.2%
28	Iran, Islamic Republic of	2	0.2%
29	Hungary	2	0.2%
30	Malaysia	1	0.1%
31	Bahrain	1	0.1%
32	Argentina	1	0.1%
33	Czech Republic	1	0.1%
34	Slovakia	1	0.1%
35	Saudi Arabia	1	0.1%
36	Nigeria	1	0.1%
37	Nepal	1	0.1%
38	United Arab Emirates	1	0.1%