Rank	Countries/Territories	Count	Percent
1	United States	295	36.3%
2	China	231	28.4%
3	Germany	80	9.8%
4	Russia	30	3.7%
5	Spain	17	2.1%
6	Egypt	15	1.8%
7	France	14	1.7%
8	Japan	13	1.6%
9	India	12	1.5%
10	Singapore	11	1.4%
11	Saudi Arabia	8	1%
12	Netherlands	8	1%
13	Korea, Republic of	7	0.9%
14	Australia	7	0.9%
15	Ireland	6	0.7%
16	Cyprus	5	0.6%
17	Canada	5	0.6%
18	Palestine, State of	5	0.6%
19	Malaysia	4	0.5%
20	Iran, Islamic Republic of	4	0.5%
21	Ghana	4	0.5%
22	Belgium	3	0.4%
23	Italy	3	0.4%
24	Turkey	3	0.4%
25	United Kingdom	3	0.4%
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%