Rank	Countries/Territories	Count	Percent
1	United States	350	40.5%
2	China	233	26.9%
3	Germany	101	11.7%
4	Japan	25	2.9%
5	Russia	25	2.9%
6	United Kingdom	21	2.4%
7	India	14	1.6%
8	Romania	11	1.3%
9	Korea, Republic of	10	1.2%
10	Singapore	9	1%
11	Australia	7	0.8%
12	Canada	6	0.7%
13	Cyprus	5	0.6%
14	Netherlands	5	0.6%
15	Ukraine	4	0.5%
16	Spain	4	0.5%
17	Ireland	4	0.5%
18	Greece	3	0.3%
19	Belarus	3	0.3%
20	Malaysia	3	0.3%
21	Slovakia	2	0.2%
22	Norway	2	0.2%
23	Lithuania	2	0.2%
24	Sweden	2	0.2%
25	Chile	2	0.2%
26	Hong Kong	2	0.2%
27	Iran, Islamic Republic of	2	0.2%
28	Iraq	2	0.2%
29	Argentina	1	0.1%
30	Indonesia	1	0.1%
31	Belgium	1	0.1%
32	Brazil	1	0.1%
33	Thailand	1	0.1%
34	Poland	1	0.1%