Rank	Countries/Territories	Count	Percent
1	United States	339	45.2%
2	China	180	24%
3	Germany	87	11.6%
4	Japan	31	4.1%
5	Netherlands	18	2.4%
6	France	16	2.1%
7		13	1.7%
8	Norway	11	1.5%
9	India	11	1.5%
10	Singapore	10	1.3%
11	Russia	6	0.8%
12	Malaysia	5	0.7%
13	Cyprus	4	0.5%
14	Cuba	3	0.4%
15	Ireland	3	0.4%
16	Italy	2	0.3%
17	Poland	2	0.3%
18	Australia	2	0.3%
19	Taiwan	2	0.3%
20	United Kingdom	2	0.3%
21	Canada	1	0.1%
22	Argentina	1	0.1%
23	Egypt	1	0.1%