Rank	Countries/Territories	Count	Percent
1	United States	620	38.9%
2	China	410	25.7%
3	Germany	149	9.4%
4	Japan	72	4.5%
5	Korea, Republic of	44	2.8%
6	India	37	2.3%
7	Australia	37	2.3%
8		23	1.4%
9	France	19	1.2%
10	Russia	18	1.1%
11	Singapore	18	1.1%
12	Lithuania	16	1%
13	Ireland	15	0.9%
14	Netherlands	13	0.8%
15	Canada	11	0.7%
16	Switzerland	11	0.7%
17	Moldova, Republic of	10	0.6%
18	Cyprus	8	0.5%
19	Hong Kong	7	0.4%
20	Jordan	6	0.4%
21	Poland	5	0.3%
22	Malaysia	4	0.3%
23	Austria	4	0.3%
24	Spain	4	0.3%
25	Ukraine	3	0.2%
26	Italy	3	0.2%
27	Romania	3	0.2%
28	Paraguay	2	0.1%
29	Serbia	2	0.1%
30	Latvia	2	0.1%
31	Bangladesh	2	0.1%
32	Brazil	2	0.1%
33	Chile	2	0.1%
34	Argentina	2	0.1%
35	Iran, Islamic Republic of	2	0.1%
36	Greece	2	0.1%
37	Viet Nam	2	0.1%
38	Uruguay	1	0.1%
39	Taiwan	1	0.1%
40	Slovakia	1	0.1%