Rank	Countries/Territories	Count	Percent
1	United States	664	41.9%
2	China	530	33.5%
3	Germany	105	6.6%
4	India	30	1.9%
5	Korea, Republic of	29	1.8%
6	Russia	24	1.5%
7	Singapore	20	1.3%
8	Canada	20	1.3%
9	Australia	19	1.2%
10	Hong Kong	15	0.9%
11	Japan	14	0.9%
12	France	12	0.8%
13	United Kingdom	11	0.7%
14	Iran, Islamic Republic of	8	0.5%
15	Taiwan	8	0.5%
16	Netherlands	8	0.5%
17	Pakistan	7	0.4%
18	Israel	7	0.4%
19	Argentina	6	0.4%
20	Turkey	6	0.4%
21	Spain	4	0.3%
22	Lebanon	4	0.3%
23	Lithuania	4	0.3%
24	Brazil	4	0.3%
25	Ireland	4	0.3%
26	South Africa	3	0.2%
27	Thailand	3	0.2%
28	Switzerland	2	0.1%
29	Mongolia	2	0.1%
30	Italy	2	0.1%
31	Colombia	2	0.1%
32	Czech Republic	2	0.1%
33	Bangladesh	1	0.1%
34	Kazakhstan	1	0.1%
35	Poland	1	0.1%
36	Romania	1	0.1%
37	Ukraine	1	0.1%