Rank	Countries/Territories	Count	Percent
1	United States	390	37.6%
2	China	311	30%
3	Germany	125	12.1%
4	Norway	26	2.5%
5	France	22	2.1%
6	Mexico	19	1.8%
7	Japan	17	1.6%
8	United Kingdom	16	1.5%
9	Korea, Republic of	13	1.3%
10	Australia	12	1.2%
11	Singapore	11	1.1%
12	Cyprus	10	1%
13	Turkey	9	0.9%
14	Netherlands	9	0.9%
15	Ireland	8	0.8%
16	Spain	6	0.6%
17	Russia	4	0.4%
18	Argentina	4	0.4%
19	Ukraine	3	0.3%
20	United Arab Emirates	2	0.2%
21	Poland	2	0.2%
22	Egypt	2	0.2%
23	Latvia	2	0.2%
24	Hong Kong	2	0.2%
25	India	2	0.2%
26	Indonesia	2	0.2%
27	Iran, Islamic Republic of	2	0.2%
28	Georgia	1	0.1%
29	Denmark	1	0.1%
30	Canada	1	0.1%
31	Colombia	1	0.1%
32	Philippines	1	0.1%
33	Mongolia	1	0.1%