Rank	Countries/Territories	Count	Percent
1	United States	270	35.6%
2	China	194	25.6%
3	Germany	96	12.6%
4	France	30	4%
5	Japan	23	3%
6	India	15	2%
7		15	2%
8	Canada	14	1.8%
9	Korea, Republic of	9	1.2%
10	United Kingdom	9	1.2%
11	Singapore	8	1.1%
12	Netherlands	7	0.9%
13	Australia	6	0.8%
14	Malaysia	5	0.7%
15	Turkey	5	0.7%
16	Ukraine	5	0.7%
17	Cyprus	4	0.5%
18	Argentina	3	0.4%
19	Indonesia	3	0.4%
20	Greece	3	0.4%
21	Taiwan	3	0.4%
22	Thailand	3	0.4%
23	Rwanda	3	0.4%
24	Mongolia	3	0.4%
25	Nigeria	2	0.3%
26	Saudi Arabia	2	0.3%
27	Serbia	2	0.3%
28	United Arab Emirates	2	0.3%
29	Iran, Islamic Republic of	2	0.3%
30	Italy	2	0.3%
31	Ethiopia	2	0.3%
32	Romania	2	0.3%
33	Finland	1	0.1%
34	Egypt	1	0.1%
35	Georgia	1	0.1%
36	Uganda	1	0.1%
37	Norway	1	0.1%
38	Poland	1	0.1%
39	Morocco	1	0.1%