Rank	Countries/Territories	Count	Percent
1	United States	467	40.8%
2	China	351	30.7%
3	Germany	74	6.5%
4	Singapore	40	3.5%
5	Canada	26	2.3%
6	Japan	25	2.2%
7	Netherlands	24	2.1%
8	France	19	1.7%
9	Norway	14	1.2%
10	Russia	10	0.9%
11	Cyprus	9	0.8%
12	Ireland	8	0.7%
13	United Kingdom	8	0.7%
14	Spain	6	0.5%
15	India	6	0.5%
16	Egypt	6	0.5%
17	Australia	6	0.5%
18	Hong Kong	5	0.4%
19	Ukraine	5	0.4%
20	Luxembourg	5	0.4%
21	Taiwan	4	0.3%
22	Switzerland	3	0.3%
23	Philippines	3	0.3%
24	Indonesia	3	0.3%
25	Iran, Islamic Republic of	2	0.2%
26	Jordan	2	0.2%
27	Hungary	2	0.2%
28	Brazil	2	0.2%
29	Argentina	2	0.2%
30	Mongolia	2	0.2%
31	Malaysia	1	0.1%
32	Poland	1	0.1%
33	Thailand	1	0.1%
34	Korea, Republic of	1	0.1%
35	Lithuania	1	0.1%