Rank	Countries/Territories	Count	Percent
1	United States	194	31.4%
2	China	120	19.4%
3	Germany	63	10.2%
4	India	45	7.3%
5	France	20	3.2%
6	Iran, Islamic Republic of	15	2.4%
7	United Kingdom	15	2.4%
8	Australia	14	2.3%
9	Canada	11	1.8%
10	Netherlands	11	1.8%
11	Korea, Republic of	10	1.6%
12	Thailand	8	1.3%
13	Russia	7	1.1%
14	Japan	6	1%
15	Turkey	6	1%
16	Ukraine	6	1%
17	Pakistan	5	0.8%
18	Brazil	5	0.8%
19	Colombia	4	0.6%
20	Malaysia	4	0.6%
21	Spain	4	0.6%
22	Switzerland	3	0.5%
23	Singapore	3	0.5%
24	Bulgaria	3	0.5%
25	Egypt	3	0.5%
26	Nepal	3	0.5%
27	Viet Nam	2	0.3%
28	Cyprus	2	0.3%
29	South Africa	2	0.3%
30	Taiwan	2	0.3%
31	Saudi Arabia	2	0.3%
32	Philippines	2	0.3%
33	Poland	2	0.3%
34	Romania	2	0.3%
35	Libya	2	0.3%
36	Lithuania	2	0.3%
37	Jordan	1	0.2%
38	Mexico	1	0.2%
39	Denmark	1	0.2%
40	Ecuador	1	0.2%
41	Finland	1	0.2%
42	Hong Kong	1	0.2%
43	Iraq	1	0.2%
44	Ireland	1	0.2%
45	Italy	1	0.2%
46	Trinidad and Tobago	1	0.2%