Rank	Countries/Territories	Count	Percent
1	United States	488	34.5%
2	China	321	22.7%
3	Germany	206	14.6%
4	Netherlands	87	6.2%
5	Romania	57	4%
6	Japan	45	3.2%
7	France	34	2.4%
8	Ireland	26	1.8%
9	Canada	24	1.7%
10	Korea, Republic of	19	1.3%
11	United Kingdom	14	1%
12	Cyprus	13	0.9%
13	Hong Kong	9	0.6%
14	Spain	9	0.6%
15	Ukraine	8	0.6%
16	Singapore	8	0.6%
17	Russia	6	0.4%
18	Switzerland	6	0.4%
19	Serbia	5	0.4%
20	Israel	4	0.3%
21	Australia	3	0.2%
22	Bangladesh	2	0.1%
23	Argentina	2	0.1%
24	Brazil	2	0.1%
25	India	2	0.1%
26	Slovakia	2	0.1%
27	Mongolia	2	0.1%
28	Sweden	2	0.1%
29	Viet Nam	1	0.1%
30	Latvia	1	0.1%
31	Norway	1	0.1%
32	Poland	1	0.1%
33	Iran, Islamic Republic of	1	0.1%
34	Hungary	1	0.1%
35	Greece	1	0.1%
36	Belgium	1	0.1%