Rank	Countries/Territories	Count	Percent
1	United States	491	40.5%
2	China	391	32.2%
3	Germany	106	8.7%
4	India	34	2.8%
5	Korea, Republic of	31	2.6%
6	France	18	1.5%
7	Japan	18	1.5%
8	Italy	14	1.2%
9	United Kingdom	12	1%
10	Netherlands	11	0.9%
11	Australia	9	0.7%
12	Sweden	8	0.7%
13	Portugal	7	0.6%
14	Romania	5	0.4%
15	Cyprus	5	0.4%
16	Canada	4	0.3%
17	Iran, Islamic Republic of	4	0.3%
18	Russia	4	0.3%
19	Singapore	4	0.3%
20	Poland	3	0.2%
21	Spain	3	0.2%
22	Trinidad and Tobago	3	0.2%
23	Ireland	3	0.2%
24	Brazil	3	0.2%
25	Hong Kong	3	0.2%
26	Israel	2	0.2%
27	Luxembourg	2	0.2%
28	Pakistan	2	0.2%
29	Switzerland	2	0.2%
30	Thailand	2	0.2%
31	Mexico	2	0.2%
32	Norway	1	0.1%
33	South Africa	1	0.1%
34	Turkey	1	0.1%
35	Ukraine	1	0.1%
36	Macao	1	0.1%
37	Azerbaijan	1	0.1%
38	Benin	1	0.1%