Rank	Countries/Territories	Count	Percent
1	United States	515	37.6%
2	China	307	22.4%
3	Germany	81	5.9%
4	Russia	70	5.1%
5	India	45	3.3%
6	Japan	39	2.8%
7	Italy	31	2.3%
8	Korea, Republic of	25	1.8%
9	Canada	22	1.6%
10	Australia	18	1.3%
11	Ireland	17	1.2%
12	Netherlands	14	1%
13	Taiwan	14	1%
14	Ukraine	13	0.9%
15	Latvia	13	0.9%
16	Hong Kong	11	0.8%
17	Brazil	11	0.8%
18	Iran, Islamic Republic of	10	0.7%
19	United Kingdom	10	0.7%
20	France	9	0.7%
21	Switzerland	8	0.6%
22	Morocco	7	0.5%
23	Singapore	7	0.5%
24	Austria	6	0.4%
25	Cote D'ivoire	6	0.4%
26	Viet Nam	6	0.4%
27	Thailand	6	0.4%
28	Spain	6	0.4%
29	Poland	5	0.4%
30	Argentina	4	0.3%
31	Hungary	4	0.3%
32	Israel	3	0.2%
33	Cyprus	3	0.2%
34	Colombia	3	0.2%
35	Mexico	3	0.2%
36	Turkey	3	0.2%
37	Slovakia	2	0.1%
38	Egypt	2	0.1%
39	Indonesia	2	0.1%
40	Belgium	1	0.1%
41	South Africa	1	0.1%
42	Saudi Arabia	1	0.1%
43	Romania	1	0.1%
44	Norway	1	0.1%
45	Lithuania	1	0.1%
46	Luxembourg	1	0.1%
47	Malaysia	1	0.1%
48	Sweden	1	0.1%