Rank	Countries/Territories	Count	Percent
1	United States	290	43.1%
2	China	135	20.1%
3	Germany	89	13.2%
4	Netherlands	26	3.9%
5	Russia	15	2.2%
6	France	14	2.1%
7	United Kingdom	13	1.9%
8	Japan	10	1.5%
9	Korea, Republic of	8	1.2%
10	Nigeria	7	1%
11	India	6	0.9%
12	Cyprus	6	0.9%
13	Australia	6	0.9%
14	Hong Kong	5	0.7%
15	Sweden	4	0.6%
16	Canada	4	0.6%
17	Iran, Islamic Republic of	4	0.6%
18	Ghana	3	0.4%
19	Mauritius	3	0.4%
20	Kenya	3	0.4%
21	Romania	3	0.4%
22	Singapore	3	0.4%
23	Pakistan	2	0.3%
24	Ireland	2	0.3%
25	Bangladesh	2	0.3%
26	Cuba	2	0.3%
27	Argentina	1	0.1%
28	Spain	1	0.1%
29	Saudi Arabia	1	0.1%
30	Switzerland	1	0.1%
31	Tanzania, United Republic of	1	0.1%
32	Tunisia	1	0.1%
33	Turkey	1	0.1%
34	Ukraine	1	0.1%