Rank	Countries/Territories	Count	Percent
1	United States	342	37.1%
2	China	270	29.3%
3	Germany	88	9.5%
4	Russia	30	3.3%
5	Spain	17	1.8%
6	Egypt	15	1.6%
7	France	14	1.5%
8	India	13	1.4%
9	Singapore	13	1.4%
10	Japan	13	1.4%
11	Netherlands	11	1.2%
12	Palestine, State of	9	1%
13	Australia	9	1%
14	Saudi Arabia	8	0.9%
15	Korea, Republic of	7	0.8%
16	Malaysia	7	0.8%
17	Ireland	6	0.7%
18	Cyprus	5	0.5%
19	Canada	5	0.5%
20	Iran, Islamic Republic of	4	0.4%
21	Ghana	4	0.4%
22	Belgium	3	0.3%
23	Italy	3	0.3%
24	Turkey	3	0.3%
25	United Kingdom	3	0.3%
26	Ukraine	2	0.2%
27	Thailand	2	0.2%
28	Peru	2	0.2%
29	New Zealand	2	0.2%
30	Bangladesh	2	0.2%
31	Czech Republic	2	0.2%
32	Iraq	2	0.2%
33	Israel	1	0.1%
34	Argentina	1	0.1%
35	Brazil	1	0.1%
36	Norway	1	0.1%
37	Lithuania	1	0.1%
38	Taiwan	1	0.1%