Rank	Countries/Territories	Count	Percent
1	United States	757	37.6%
2	China	507	25.2%
3	Germany	114	5.7%
4	Russia	74	3.7%
5	India	69	3.4%
6	Japan	46	2.3%
7	Korea, Republic of	41	2%
8	Italy	34	1.7%
9	Canada	32	1.6%
10	Australia	29	1.4%
11	Iran, Islamic Republic of	28	1.4%
12	Spain	23	1.1%
13	Ireland	20	1%
14	Netherlands	19	0.9%
15	France	15	0.7%
16	Taiwan	15	0.7%
17	United Kingdom	15	0.7%
18	Ukraine	14	0.7%
19	Hong Kong	14	0.7%
20	Latvia	13	0.6%
21	Thailand	13	0.6%
22	Brazil	11	0.5%
23	Greece	9	0.4%
24	Singapore	9	0.4%
25	Switzerland	8	0.4%
26	Morocco	7	0.3%
27	Cote D'ivoire	6	0.3%
28	Cyprus	6	0.3%
29	Austria	6	0.3%
30	Argentina	6	0.3%
31	Viet Nam	6	0.3%
32	Turkey	5	0.2%
33	Colombia	5	0.2%
34	Poland	5	0.2%
35	Hungary	4	0.2%
36	Indonesia	4	0.2%
37	Mexico	3	0.1%
38	Israel	3	0.1%
39	Malaysia	2	0.1%
40	Egypt	2	0.1%
41	Cambodia	2	0.1%
42	Slovakia	2	0.1%
43	South Africa	1	0%
44	Saudi Arabia	1	0%
45	Sweden	1	0%
46	Belgium	1	0%
47	Mongolia	1	0%
48	Romania	1	0%
49	Norway	1	0%
50	Peru	1	0%
51	Lithuania	1	0%
52	Luxembourg	1	0%