Rank	Countries/Territories	Count	Percent
1	United States	606	31.4%
2	China	604	31.3%
3	Germany	223	11.6%
4	France	79	4.1%
5	Russia	70	3.6%
6	Netherlands	56	2.9%
7	Romania	42	2.2%
8	Canada	28	1.5%
9	Japan	18	0.9%
10	Turkey	18	0.9%
11	Ireland	15	0.8%
12	Singapore	13	0.7%
13	Cyprus	13	0.7%
14	Latvia	11	0.6%
15	Korea, Republic of	10	0.5%
16	Hong Kong	10	0.5%
17	United Kingdom	10	0.5%
18	Ukraine	9	0.5%
19	India	9	0.5%
20	Bulgaria	9	0.5%
21	Lithuania	9	0.5%
22	Mauritius	9	0.5%
23	South Africa	8	0.4%
24	Iraq	7	0.4%
25	Thailand	6	0.3%
26	Portugal	4	0.2%
27	Argentina	4	0.2%
28	Australia	3	0.2%
29	Cote D'ivoire	3	0.2%
30	Moldova, Republic of	3	0.2%
31	Malaysia	2	0.1%
32	Spain	2	0.1%
33	Czech Republic	2	0.1%
34	Egypt	2	0.1%
35	Brazil	2	0.1%
36	Georgia	2	0.1%
37	Ghana	2	0.1%
38	Greece	1	0.1%
39	Sweden	1	0.1%
40	Slovakia	1	0.1%
41	Lebanon	1	0.1%
42	Norway	1	0.1%