Rank	Countries/Territories	Count	Percent
1	United States	558	37.8%
2	China	526	35.6%
3	Germany	95	6.4%
4	Russia	56	3.8%
5	France	40	2.7%
6		23	1.6%
7	Singapore	22	1.5%
8	Switzerland	21	1.4%
9	Canada	21	1.4%
10	Japan	16	1.1%
11	Cyprus	12	0.8%
12	Netherlands	12	0.8%
13	Malaysia	8	0.5%
14	United Kingdom	8	0.5%
15	Hong Kong	7	0.5%
16	Iran, Islamic Republic of	5	0.3%
17	Korea, Republic of	5	0.3%
18	Argentina	5	0.3%
19	Australia	5	0.3%
20	Ukraine	5	0.3%
21	Turkey	3	0.2%
22	Norway	3	0.2%
23	India	3	0.2%
24	Ireland	2	0.1%
25	Bangladesh	2	0.1%
26	Finland	2	0.1%
27	Philippines	2	0.1%
28	Luxembourg	2	0.1%
29	Mongolia	2	0.1%
30	Sweden	2	0.1%
31	Mexico	1	0.1%
32	Spain	1	0.1%
33	Belgium	1	0.1%
34	Latvia	1	0.1%
35	Lithuania	1	0.1%