Rank	Countries/Territories	Count	Percent
1	United States	546	40.7%
2	China	382	28.4%
3	Germany	157	11.7%
4	France	31	2.3%
5	Ukraine	23	1.7%
6	Canada	22	1.6%
7	Australia	20	1.5%
8	Japan	17	1.3%
9	Switzerland	15	1.1%
10	Cyprus	13	1%
11	Netherlands	12	0.9%
12	Morocco	11	0.8%
13	Singapore	9	0.7%
14	India	9	0.7%
15	Taiwan	8	0.6%
16	Malaysia	7	0.5%
17	Mexico	7	0.5%
18	Peru	6	0.4%
19	Argentina	6	0.4%
20	United Kingdom	5	0.4%
21	Bangladesh	4	0.3%
22	Saudi Arabia	4	0.3%
23	Korea, Republic of	3	0.2%
24	Thailand	3	0.2%
25	Pakistan	3	0.2%
26	Mongolia	2	0.1%
27	Nicaragua	2	0.1%
28	Viet Nam	2	0.1%
29	Italy	2	0.1%
30	Egypt	2	0.1%
31	Hong Kong	2	0.1%
32	Bosnia and Herzegovina	1	0.1%
33	Indonesia	1	0.1%
34	Iran, Islamic Republic of	1	0.1%
35	Lithuania	1	0.1%
36	Jordan	1	0.1%
37	Sweden	1	0.1%
38	Poland	1	0.1%
39	Russia	1	0.1%