Rank	Countries/Territories	Count	Percent
1	United States	249	27.8%
2	China	205	22.9%
3	Germany	131	14.6%
4	Russia	81	9%
5	India	35	3.9%
6	Japan	29	3.2%
7	Singapore	18	2%
8	France	17	1.9%
9	Hong Kong	14	1.6%
10	Latvia	13	1.4%
11	Korea, Republic of	12	1.3%
12	United Kingdom	10	1.1%
13	Netherlands	9	1%
14	Canada	9	1%
15	Spain	6	0.7%
16	Cyprus	5	0.6%
17	Denmark	4	0.4%
18	Brazil	4	0.4%
19	Thailand	4	0.4%
20	Turkey	4	0.4%
21	Taiwan	3	0.3%
22	Poland	3	0.3%
23	Israel	3	0.3%
24	Chile	3	0.3%
25	Australia	3	0.3%
26	Argentina	2	0.2%
27	Belgium	2	0.2%
28	Iran, Islamic Republic of	2	0.2%
29	Italy	2	0.2%
30	Sweden	2	0.2%
31	Switzerland	2	0.2%
32	Yemen	2	0.2%
33	Viet Nam	1	0.1%
34	South Africa	1	0.1%
35	Portugal	1	0.1%
36	Romania	1	0.1%
37	Ireland	1	0.1%
38	Egypt	1	0.1%
39	Finland	1	0.1%
40	Bahrain	1	0.1%
41	Bulgaria	1	0.1%