Rank	Countries/Territories	Count	Percent
1	United States	427	38.2%
2	China	379	33.9%
3	Germany	92	8.2%
4	Japan	43	3.8%
5	Ukraine	29	2.6%
6	France	24	2.1%
7		15	1.3%
8	Hong Kong	15	1.3%
9	Russia	12	1.1%
10	Singapore	11	1%
11	Cyprus	10	0.9%
12	Canada	9	0.8%
13	Netherlands	8	0.7%
14	United Kingdom	8	0.7%
15	India	6	0.5%
16	Brazil	5	0.4%
17	Philippines	4	0.4%
18	Senegal	3	0.3%
19	Romania	2	0.2%
20	Norway	2	0.2%
21	Cameroon	2	0.2%
22	Argentina	2	0.2%
23	Australia	2	0.2%
24	Ireland	2	0.2%
25	Nepal	2	0.2%
26	Latvia	1	0.1%
27	Iran, Islamic Republic of	1	0.1%
28	Finland	1	0.1%
29	South Africa	1	0.1%
30	Switzerland	1	0.1%