Rank	Countries/Territories	Count	Percent
1	United States	440	36.3%
2	China	312	25.8%
3	Germany	147	12.1%
4	Korea, Republic of	42	3.5%
5	Japan	34	2.8%
6	India	34	2.8%
7	Australia	26	2.1%
8		23	1.9%
9	Russia	17	1.4%
10	Ireland	13	1.1%
11	Lithuania	12	1%
12	Switzerland	11	0.9%
13	Moldova, Republic of	10	0.8%
14	Canada	9	0.7%
15	Netherlands	8	0.7%
16	Cyprus	7	0.6%
17	Hong Kong	6	0.5%
18	Jordan	6	0.5%
19	Singapore	6	0.5%
20	Poland	5	0.4%
21	France	5	0.4%
22	Austria	4	0.3%
23	Malaysia	4	0.3%
24	Spain	4	0.3%
25	Romania	3	0.2%
26	Italy	3	0.2%
27	Brazil	2	0.2%
28	Greece	2	0.2%
29	Argentina	2	0.2%
30	Chile	2	0.2%
31	Paraguay	2	0.2%
32	Serbia	2	0.2%
33	Ukraine	2	0.2%
34	Viet Nam	2	0.2%
35	Uruguay	1	0.1%
36	Slovakia	1	0.1%
37	Bangladesh	1	0.1%
38	Iran, Islamic Republic of	1	0.1%