Rank	Countries/Territories	Count	Percent
1	United States	606	40%
2	China	407	26.9%
3	Germany	152	10%
4	Japan	87	5.7%
5	Russia	57	3.8%
6	France	36	2.4%
7	Singapore	28	1.8%
8	Netherlands	25	1.7%
9	Spain	21	1.4%
10	Italy	13	0.9%
11	Cyprus	13	0.9%
12	Australia	9	0.6%
13	Brazil	8	0.5%
14	Ukraine	7	0.5%
15	Norway	7	0.5%
16	United Kingdom	5	0.3%
17	Canada	5	0.3%
18	Portugal	4	0.3%
19	Thailand	3	0.2%
20	Egypt	3	0.2%
21	Argentina	3	0.2%
22	Chile	2	0.1%
23	Latvia	2	0.1%
24	Mongolia	2	0.1%
25	Hong Kong	2	0.1%
26	India	2	0.1%
27	Iran, Islamic Republic of	2	0.1%
28	Ireland	1	0.1%
29	Korea, Republic of	1	0.1%
30	Nicaragua	1	0.1%
31	Sweden	1	0.1%