Rank	Countries/Territories	Count	Percent
1	United States	431	43.6%
2	China	261	26.4%
3	Germany	95	9.6%
4	Netherlands	49	5%
5	France	26	2.6%
6	Russia	20	2%
7	India	15	1.5%
8	Japan	12	1.2%
9	Singapore	12	1.2%
10	Norway	11	1.1%
11	Cyprus	6	0.6%
12	Turkey	5	0.5%
13	Ukraine	4	0.4%
14	Poland	4	0.4%
15	Sri Lanka	3	0.3%
16	Bangladesh	3	0.3%
17	Korea, Republic of	3	0.3%
18	Malaysia	2	0.2%
19	Mauritius	2	0.2%
20	Nigeria	2	0.2%
21	Iran, Islamic Republic of	2	0.2%
22	Brazil	2	0.2%
23	Canada	2	0.2%
24	Switzerland	2	0.2%
25	Taiwan	2	0.2%
26	Thailand	2	0.2%
27	Viet Nam	2	0.2%
28	Spain	2	0.2%
29	South Africa	1	0.1%
30	Portugal	1	0.1%
31	Saudi Arabia	1	0.1%
32	Argentina	1	0.1%
33	Australia	1	0.1%
34	Indonesia	1	0.1%
35	Italy	1	0.1%