Rank	Countries/Territories	Count	Percent
1	United States	427	37.3%
2	China	375	32.8%
3	Germany	81	7.1%
4	Japan	46	4%
5	United Kingdom	36	3.1%
6	Netherlands	29	2.5%
7	India	24	2.1%
8	Canada	15	1.3%
9	Singapore	14	1.2%
10	Korea, Republic of	12	1%
11	Hong Kong	11	1%
12	France	9	0.8%
13	Czech Republic	8	0.7%
14	Italy	7	0.6%
15	Russia	7	0.6%
16	Portugal	4	0.3%
17	Egypt	4	0.3%
18	Cyprus	3	0.3%
19	Iran, Islamic Republic of	3	0.3%
20	Sweden	3	0.3%
21	Thailand	3	0.3%
22	Romania	2	0.2%
23	Pakistan	2	0.2%
24	Malaysia	2	0.2%
25	Greece	2	0.2%
26	Australia	2	0.2%
27	Bangladesh	2	0.2%
28	Bulgaria	2	0.2%
29	Austria	1	0.1%
30	Ireland	1	0.1%
31	Mongolia	1	0.1%
32	Ukraine	1	0.1%
33	Switzerland	1	0.1%
34	Taiwan	1	0.1%
35	Senegal	1	0.1%
36	Sri Lanka	1	0.1%
37	Viet Nam	1	0.1%