Rank	Countries/Territories	Count	Percent
1	United States	663	38.1%
2	China	412	23.7%
3	Germany	104	6%
4	Russia	70	4%
5	India	60	3.5%
6	Japan	44	2.5%
7	Korea, Republic of	38	2.2%
8	Italy	31	1.8%
9	Iran, Islamic Republic of	26	1.5%
10	Canada	23	1.3%
11	Australia	22	1.3%
12	Ireland	17	1%
13	Netherlands	17	1%
14	Taiwan	15	0.9%
15	Spain	14	0.8%
16	Ukraine	13	0.7%
17	United Kingdom	13	0.7%
18	Latvia	13	0.7%
19	Thailand	12	0.7%
20	Brazil	11	0.6%
21	Hong Kong	11	0.6%
22	France	10	0.6%
23	Greece	9	0.5%
24	Switzerland	8	0.5%
25	Morocco	7	0.4%
26	Singapore	7	0.4%
27	Austria	6	0.3%
28	Cote D'ivoire	6	0.3%
29	Viet Nam	6	0.3%
30	Cyprus	5	0.3%
31	Colombia	5	0.3%
32	Poland	5	0.3%
33	Argentina	4	0.2%
34	Hungary	4	0.2%
35	Indonesia	4	0.2%
36	Israel	3	0.2%
37	Mexico	3	0.2%
38	Turkey	3	0.2%
39	Slovakia	2	0.1%
40	Egypt	2	0.1%
41	Belgium	1	0.1%
42	South Africa	1	0.1%
43	Saudi Arabia	1	0.1%
44	Romania	1	0.1%
45	Norway	1	0.1%
46	Peru	1	0.1%
47	Lithuania	1	0.1%
48	Luxembourg	1	0.1%
49	Malaysia	1	0.1%
50	Sweden	1	0.1%