Rank	Countries/Territories	Count	Percent
1	United States	421	41.4%
2	China	209	20.6%
3	Germany	148	14.6%
4	Netherlands	35	3.4%
5	Brazil	34	3.3%
6	Japan	30	2.9%
7	Norway	19	1.9%
8	Korea, Republic of	17	1.7%
9	France	15	1.5%
10	India	15	1.5%
11	Singapore	14	1.4%
12	Cyprus	6	0.6%
13	Ireland	6	0.6%
14	Argentina	5	0.5%
15	Iran, Islamic Republic of	5	0.5%
16	New Zealand	5	0.5%
17	Spain	3	0.3%
18	Taiwan	3	0.3%
19	Portugal	3	0.3%
20	Canada	3	0.3%
21	Israel	3	0.3%
22	Italy	3	0.3%
23	Malaysia	2	0.2%
24	Mongolia	2	0.2%
25	Russia	2	0.2%
26	United Kingdom	2	0.2%
27	Nicaragua	2	0.2%
28	Pakistan	1	0.1%
29	Turkey	1	0.1%
30	United Arab Emirates	1	0.1%
31	Egypt	1	0.1%
32	Iraq	1	0.1%