Rank	Countries/Territories	Count	Percent
1	United States	427	50.4%
2	China	177	20.9%
3	Germany	64	7.6%
4	Ukraine	34	4%
5	France	26	3.1%
6	Japan	18	2.1%
7	Russia	16	1.9%
8	Netherlands	12	1.4%
9	Singapore	9	1.1%
10	Cyprus	8	0.9%
11	Canada	8	0.9%
12	Belgium	6	0.7%
13	Korea, Republic of	4	0.5%
14	Mongolia	4	0.5%
15	Czech Republic	3	0.4%
16	Argentina	3	0.4%
17	Pakistan	3	0.4%
18	Poland	2	0.2%
19	United Kingdom	2	0.2%
20	Switzerland	2	0.2%
21	Taiwan	2	0.2%
22	Norway	2	0.2%
23	Australia	2	0.2%
24	Hong Kong	2	0.2%
25	India	2	0.2%
26	Iran, Islamic Republic of	2	0.2%
27	Italy	2	0.2%
28	Nigeria	1	0.1%
29	Israel	1	0.1%
30	Bangladesh	1	0.1%
31	Thailand	1	0.1%
32	Sweden	1	0.1%