Rank	Countries/Territories	Count	Percent
1	United States	561	36.4%
2	China	438	28.4%
3	Germany	130	8.4%
4	India	93	6%
5	Taiwan	40	2.6%
6	Saudi Arabia	39	2.5%
7	Canada	32	2.1%
8	France	27	1.8%
9	Australia	22	1.4%
10	Russia	22	1.4%
11	Japan	19	1.2%
12	United Kingdom	14	0.9%
13	Hong Kong	13	0.8%
14	Korea, Republic of	10	0.6%
15	Singapore	9	0.6%
16	Brazil	9	0.6%
17	Netherlands	8	0.5%
18	Senegal	6	0.4%
19	Romania	5	0.3%
20	South Africa	5	0.3%
21	Mongolia	4	0.3%
22	Ireland	4	0.3%
23	Argentina	3	0.2%
24	Switzerland	3	0.2%
25	Ukraine	3	0.2%
26	New Zealand	2	0.1%
27	Norway	2	0.1%
28	Peru	2	0.1%
29	Poland	2	0.1%
30	Denmark	2	0.1%
31	Finland	1	0.1%
32	Cyprus	1	0.1%
33	Czech Republic	1	0.1%
34	Bahrain	1	0.1%
35	Bangladesh	1	0.1%
36	Israel	1	0.1%
37	Iran, Islamic Republic of	1	0.1%
38	Iraq	1	0.1%
39	Puerto Rico	1	0.1%
40	Mexico	1	0.1%
41	Palestine, State of	1	0.1%
42	Viet Nam	1	0.1%