Rank	Countries/Territories	Count	Percent
1	United States	403	37.8%
2	China	351	33%
3	Germany	89	8.4%
4	Japan	58	5.4%
5	India	55	5.2%
6	France	15	1.4%
7	Korea, Republic of	9	0.8%
8	Netherlands	7	0.7%
9	Nigeria	6	0.6%
10	Russia	6	0.6%
11	Singapore	6	0.6%
12	United Kingdom	6	0.6%
13	Cyprus	6	0.6%
14	Hong Kong	5	0.5%
15	Romania	5	0.5%
16	Australia	4	0.4%
17	Canada	4	0.4%
18	Denmark	3	0.3%
19	Turkey	3	0.3%
20	Ireland	2	0.2%
21	Viet Nam	2	0.2%
22	South Africa	2	0.2%
23	Switzerland	2	0.2%
24	Taiwan	2	0.2%
25	Argentina	2	0.2%
26	Greece	2	0.2%
27	Luxembourg	1	0.1%
28	Mongolia	1	0.1%
29	Belgium	1	0.1%
30	Estonia	1	0.1%
31	Colombia	1	0.1%
32	Thailand	1	0.1%
33	Palestine, State of	1	0.1%
34	Poland	1	0.1%
35	Italy	1	0.1%
36	Ukraine	1	0.1%