Rank	Countries/Territories	Count	Percent
1	United States	670	42.9%
2	China	418	26.8%
3	Germany	179	11.5%
4	Canada	61	3.9%
5		57	3.7%
6	Netherlands	21	1.3%
7	India	18	1.2%
8	United Kingdom	18	1.2%
9	Ukraine	16	1%
10	France	12	0.8%
11	Cyprus	10	0.6%
12	Singapore	9	0.6%
13	Japan	8	0.5%
14	Australia	7	0.4%
15	Israel	6	0.4%
16	Russia	6	0.4%
17	Ireland	5	0.3%
18	Argentina	3	0.2%
19	Czech Republic	3	0.2%
20	Georgia	3	0.2%
21	Chile	2	0.1%
22	Indonesia	2	0.1%
23	Iran, Islamic Republic of	2	0.1%
24	Egypt	2	0.1%
25	Bangladesh	2	0.1%
26	Korea, Republic of	2	0.1%
27	New Zealand	2	0.1%
28	Portugal	2	0.1%
29	Mexico	2	0.1%
30	Mongolia	2	0.1%
31	Spain	2	0.1%
32	Sri Lanka	1	0.1%
33	Switzerland	1	0.1%
34	Tanzania, United Republic of	1	0.1%
35	Tunisia	1	0.1%
36	Somalia	1	0.1%
37	Romania	1	0.1%
38	Malaysia	1	0.1%
39	Ethiopia	1	0.1%