Rank	Countries/Territories	Count	Percent
1	United States	236	35%
2	China	157	23.3%
3	Germany	93	13.8%
4	India	41	6.1%
5	Japan	18	2.7%
6	France	15	2.2%
7	Iran, Islamic Republic of	14	2.1%
8	Ireland	11	1.6%
9	Netherlands	9	1.3%
10	Italy	8	1.2%
11	Thailand	6	0.9%
12	Turkey	6	0.9%
13	Canada	6	0.9%
14	Australia	4	0.6%
15	Brazil	4	0.6%
16	Israel	4	0.6%
17	Mongolia	4	0.6%
18	Greece	3	0.4%
19	Ukraine	3	0.4%
20	Spain	3	0.4%
21	Korea, Republic of	3	0.4%
22	Malaysia	3	0.4%
23	Cyprus	3	0.4%
24	Belarus	3	0.4%
25	Egypt	2	0.3%
26	Mexico	2	0.3%
27	Russia	2	0.3%
28	New Zealand	2	0.3%
29	Norway	1	0.1%
30	Philippines	1	0.1%
31	Hong Kong	1	0.1%
32	Serbia	1	0.1%
33	Slovenia	1	0.1%
34	Switzerland	1	0.1%
35	Taiwan	1	0.1%
36	United Kingdom	1	0.1%
37	Belgium	1	0.1%
38	Chile	1	0.1%