Rank	Countries/Territories	Count	Percent
1	United States	326	39.6%
2	China	145	17.6%
3	Germany	96	11.7%
4	India	78	9.5%
5	Russia	21	2.6%
6		20	2.4%
7	Korea, Republic of	17	2.1%
8	Japan	16	1.9%
9	Mexico	12	1.5%
10	Netherlands	11	1.3%
11	Canada	9	1.1%
12	Singapore	8	1%
13	Thailand	8	1%
14	France	7	0.9%
15	Australia	6	0.7%
16	Colombia	4	0.5%
17	United Kingdom	4	0.5%
18	Portugal	3	0.4%
19	Cyprus	3	0.4%
20	Italy	3	0.4%
21	Egypt	2	0.2%
22	Indonesia	2	0.2%
23	Iran, Islamic Republic of	2	0.2%
24	Israel	2	0.2%
25	Cuba	2	0.2%
26	Ukraine	2	0.2%
27	Spain	2	0.2%
28	Switzerland	2	0.2%
29	Norway	2	0.2%
30	Peru	2	0.2%
31	Poland	2	0.2%
32	Morocco	1	0.1%
33	Viet Nam	1	0.1%
34	Ecuador	1	0.1%
35	Croatia	1	0.1%