Rank	Countries/Territories	Count	Percent
1	United States	300	36.9%
2	China	280	34.5%
3	Germany	75	9.2%
4	France	37	4.6%
5	Australia	11	1.4%
6	Italy	11	1.4%
7	Canada	10	1.2%
8	Japan	9	1.1%
9	Russia	9	1.1%
10	Ireland	8	1%
11	Singapore	7	0.9%
12	Korea, Republic of	5	0.6%
13	Netherlands	4	0.5%
14	Greece	4	0.5%
15	Cyprus	4	0.5%
16	Brazil	4	0.5%
17	South Africa	4	0.5%
18	Ukraine	4	0.5%
19	Tanzania, United Republic of	3	0.4%
20	Argentina	3	0.4%
21	Egypt	3	0.4%
22	India	3	0.4%
23	Romania	3	0.4%
24	Iran, Islamic Republic of	2	0.2%
25	Hong Kong	2	0.2%
26	Turkey	2	0.2%
27	Thailand	1	0.1%
28	Spain	1	0.1%
29	Switzerland	1	0.1%
30	United Kingdom	1	0.1%
31	Belgium	1	0.1%