Rank	Countries/Territories	Count	Percent
1	United States	230	34%
2	China	152	22.5%
3	Germany	62	9.2%
4		55	8.1%
5	India	22	3.3%
6	Australia	15	2.2%
7	Thailand	13	1.9%
8	Taiwan	12	1.8%
9	Russia	11	1.6%
10	Japan	10	1.5%
11	Korea, Republic of	10	1.5%
12	Singapore	9	1.3%
13	Canada	9	1.3%
14	Senegal	7	1%
15	United Kingdom	7	1%
16	Israel	7	1%
17	Iran, Islamic Republic of	7	1%
18	Italy	4	0.6%
19	Hong Kong	4	0.6%
20	South Africa	4	0.6%
21	Mongolia	4	0.6%
22	Netherlands	4	0.6%
23	Romania	2	0.3%
24	Sweden	2	0.3%
25	Ukraine	2	0.3%
26	Malaysia	2	0.3%
27	Ireland	1	0.1%
28	Indonesia	1	0.1%
29	Denmark	1	0.1%
30	Belgium	1	0.1%
31	Brazil	1	0.1%
32	Turkey	1	0.1%
33	Philippines	1	0.1%
34	Slovakia	1	0.1%
35	Slovenia	1	0.1%
36	Saudi Arabia	1	0.1%