Rank	Countries/Territories	Count	Percent
1	United States	595	37.3%
2	China	454	28.5%
3	Germany	157	9.8%
4	India	78	4.9%
5	Taiwan	49	3.1%
6	Russia	38	2.4%
7	Japan	33	2.1%
8	Korea, Republic of	25	1.6%
9	Iran, Islamic Republic of	20	1.3%
10	Australia	16	1%
11	Netherlands	16	1%
12	Turkey	10	0.6%
13	United Kingdom	9	0.6%
14	Hong Kong	9	0.6%
15	Canada	9	0.6%
16	Sweden	8	0.5%
17	Thailand	7	0.4%
18	Argentina	6	0.4%
19	Colombia	6	0.4%
20	France	5	0.3%
21	Spain	5	0.3%
22	Iceland	5	0.3%
23	Mongolia	4	0.3%
24	Romania	4	0.3%
25	Egypt	4	0.3%
26	Ireland	4	0.3%
27	Cyprus	3	0.2%
28	Brazil	3	0.2%
29	Italy	2	0.1%
30	Ukraine	2	0.1%
31	Viet Nam	1	0.1%
32	Singapore	1	0.1%
33	Norway	1	0.1%
34	Poland	1	0.1%
35	Portugal	1	0.1%
36	Denmark	1	0.1%
37	Israel	1	0.1%
38	Greece	1	0.1%