Rank	Countries/Territories	Count	Percent
1	United States	411	50.8%
2	China	231	28.6%
3	Germany	74	9.1%
4	France	19	2.3%
5	Netherlands	11	1.4%
6	United Kingdom	6	0.7%
7	Cyprus	6	0.7%
8	Bulgaria	6	0.7%
9	Japan	5	0.6%
10	Latvia	4	0.5%
11	Singapore	4	0.5%
12	South Africa	3	0.4%
13	Russia	3	0.4%
14	Australia	3	0.4%
15	Argentina	2	0.2%
16	Canada	2	0.2%
17	Moldova, Republic of	2	0.2%
18	Korea, Republic of	2	0.2%
19	Hong Kong	2	0.2%
20	Portugal	2	0.2%
21	Thailand	2	0.2%
22	Turkey	2	0.2%
23	Ukraine	2	0.2%
24	Spain	1	0.1%
25	Norway	1	0.1%
26	India	1	0.1%
27	Lithuania	1	0.1%
28	Greece	1	0.1%