Rank	Countries/Territories	Count	Percent
1	United States	507	35%
2	China	497	34.3%
3	Germany	106	7.3%
4	Russia	53	3.7%
5	Japan	36	2.5%
6	France	25	1.7%
7	India	20	1.4%
8	Netherlands	18	1.2%
9	Singapore	17	1.2%
10	Spain	17	1.2%
11	Egypt	17	1.2%
12	Palestine, State of	12	0.8%
13	Australia	11	0.8%
14	Korea, Republic of	10	0.7%
15	Ireland	9	0.6%
16	Saudi Arabia	8	0.6%
17	Cyprus	8	0.6%
18	Iran, Islamic Republic of	7	0.5%
19	Canada	7	0.5%
20	Malaysia	7	0.5%
21	Bangladesh	6	0.4%
22	United Kingdom	6	0.4%
23	Israel	5	0.3%
24	Ghana	4	0.3%
25	Belgium	3	0.2%
26	Italy	3	0.2%
27	Latvia	3	0.2%
28	Norway	3	0.2%
29	Turkey	3	0.2%
30	Ukraine	3	0.2%
31	Thailand	2	0.1%
32	Peru	2	0.1%
33	New Zealand	2	0.1%
34	Cote D'ivoire	2	0.1%
35	Hong Kong	2	0.1%
36	Iraq	2	0.1%
37	Czech Republic	2	0.1%
38	Argentina	1	0.1%
39	Brazil	1	0.1%
40	Lithuania	1	0.1%
41	Taiwan	1	0.1%