Rank	Countries/Territories	Count	Percent
1	United States	275	36%
2	China	189	24.7%
3	Germany	96	12.6%
4	India	47	6.2%
5	Japan	18	2.4%
6	France	15	2%
7	Iran, Islamic Republic of	14	1.8%
8	Ireland	13	1.7%
9	Netherlands	9	1.2%
10	Italy	8	1%
11	Canada	7	0.9%
12	Thailand	6	0.8%
13	Turkey	6	0.8%
14	Greece	5	0.7%
15	Mongolia	4	0.5%
16	Australia	4	0.5%
17	Brazil	4	0.5%
18	Cyprus	4	0.5%
19	Israel	4	0.5%
20	Korea, Republic of	3	0.4%
21	Malaysia	3	0.4%
22	Belarus	3	0.4%
23	Ukraine	3	0.4%
24	Spain	3	0.4%
25	Russia	2	0.3%
26	New Zealand	2	0.3%
27	Egypt	2	0.3%
28	Mexico	2	0.3%
29	Belgium	1	0.1%
30	Chile	1	0.1%
31	Norway	1	0.1%
32	Philippines	1	0.1%
33	Portugal	1	0.1%
34	Romania	1	0.1%
35	Hong Kong	1	0.1%
36	Saudi Arabia	1	0.1%
37	Serbia	1	0.1%
38	Slovenia	1	0.1%
39	United Kingdom	1	0.1%
40	Switzerland	1	0.1%
41	Taiwan	1	0.1%