Rank	Countries/Territories	Count	Percent
1	United States	318	33%
2	China	245	25.4%
3	Germany	102	10.6%
4	India	51	5.3%
5		50	5.2%
6	Japan	20	2.1%
7	Ireland	15	1.6%
8	France	15	1.6%
9	Iran, Islamic Republic of	14	1.5%
10	Italy	10	1%
11	Netherlands	10	1%
12	Lithuania	9	0.9%
13	Brazil	8	0.8%
14	Canada	8	0.8%
15	Thailand	7	0.7%
16	Turkey	6	0.6%
17	Mongolia	6	0.6%
18	Cyprus	5	0.5%
19	Greece	5	0.5%
20	Russia	5	0.5%
21	Portugal	4	0.4%
22	Korea, Republic of	4	0.4%
23	Israel	4	0.4%
24	Australia	4	0.4%
25	Belarus	3	0.3%
26	Malaysia	3	0.3%
27	Spain	3	0.3%
28	Slovenia	3	0.3%
29	Ukraine	3	0.3%
30	United Kingdom	3	0.3%
31	Mexico	2	0.2%
32	New Zealand	2	0.2%
33	Barbados	2	0.2%
34	Egypt	2	0.2%
35	Chile	1	0.1%
36	Belgium	1	0.1%
37	Hong Kong	1	0.1%
38	Norway	1	0.1%
39	Philippines	1	0.1%
40	Poland	1	0.1%
41	Sweden	1	0.1%
42	Switzerland	1	0.1%
43	Taiwan	1	0.1%
44	Romania	1	0.1%
45	Saudi Arabia	1	0.1%
46	Serbia	1	0.1%
47	South Africa	1	0.1%