Rank	Countries/Territories	Count	Percent
1	United States	309	32%
2	China	302	31.3%
3	Japan	72	7.5%
4	Germany	55	5.7%
5	United Kingdom	27	2.8%
6	Norway	26	2.7%
7	Russia	25	2.6%
8	Netherlands	24	2.5%
9	Singapore	19	2%
10	Turkey	11	1.1%
11	Taiwan	8	0.8%
12	France	8	0.8%
13	Korea, Republic of	7	0.7%
14	Cyprus	6	0.6%
15	Canada	6	0.6%
16	Finland	5	0.5%
17	India	5	0.5%
18	Saudi Arabia	5	0.5%
19	Spain	3	0.3%
20	Hungary	3	0.3%
21	Pakistan	3	0.3%
22	Indonesia	3	0.3%
23	Egypt	3	0.3%
24	Australia	3	0.3%
25	Belgium	3	0.3%
26	Brazil	2	0.2%
27	Austria	2	0.2%
28	Ireland	2	0.2%
29	Greece	2	0.2%
30	Hong Kong	2	0.2%
31	Philippines	2	0.2%
32	Latvia	2	0.2%
33	Malaysia	2	0.2%
34	Ukraine	2	0.2%
35	Serbia	2	0.2%
36	New Zealand	1	0.1%
37	Italy	1	0.1%
38	Iran, Islamic Republic of	1	0.1%
39	Bulgaria	1	0.1%
40	Argentina	1	0.1%