Rank	Countries/Territories	Count	Percent
1	United States	503	39.2%
2	China	353	27.5%
3	Germany	103	8%
4	Japan	45	3.5%
5	India	43	3.3%
6	France	41	3.2%
7	Saudi Arabia	26	2%
8	Greece	14	1.1%
9	Russia	13	1%
10	Korea, Republic of	12	0.9%
11	Netherlands	12	0.9%
12	Sweden	10	0.8%
13	Iran, Islamic Republic of	9	0.7%
14	Hong Kong	8	0.6%
15	Singapore	8	0.6%
16	Kuwait	8	0.6%
17	Colombia	7	0.5%
18	Latvia	6	0.5%
19	Mongolia	6	0.5%
20	Romania	5	0.4%
21	Taiwan	5	0.4%
22	Thailand	5	0.4%
23	Brazil	5	0.4%
24	Turkey	4	0.3%
25	Lithuania	3	0.2%
26	Canada	3	0.2%
27	Australia	3	0.2%
28	Ireland	3	0.2%
29	United Kingdom	3	0.2%
30	Jamaica	2	0.2%
31	Bangladesh	2	0.2%
32	Cyprus	2	0.2%
33	Czech Republic	2	0.2%
34	Mexico	2	0.2%
35	Philippines	2	0.2%
36	Ukraine	2	0.2%
37	Spain	2	0.2%
38	Norway	1	0.1%
39	Italy	1	0.1%