Rank	Countries/Territories	Count	Percent
1	United States	225	39.4%
2	China	156	27.3%
3	Germany	41	7.2%
4	India	14	2.5%
5	Brazil	14	2.5%
6	France	13	2.3%
7	United Kingdom	13	2.3%
8	Japan	12	2.1%
9	Canada	8	1.4%
10	Italy	7	1.2%
11	Netherlands	6	1.1%
12	Singapore	6	1.1%
13	Sweden	5	0.9%
14	Korea, Republic of	5	0.9%
15	Ireland	4	0.7%
16	Burkina Faso	4	0.7%
17	Switzerland	4	0.7%
18	Spain	4	0.7%
19	Pakistan	4	0.7%
20	Ukraine	3	0.5%
21	Cyprus	3	0.5%
22	Argentina	2	0.4%
23	Australia	2	0.4%
24	Austria	2	0.4%
25	Nepal	2	0.4%
26	Taiwan	2	0.4%
27	Viet Nam	2	0.4%
28	Poland	2	0.4%
29	New Zealand	2	0.4%
30	Romania	1	0.2%
31	Russia	1	0.2%
32	Malaysia	1	0.2%
33	Mongolia	1	0.2%