Rank	Countries/Territories	Count	Percent
1	United States	410	38.3%
2	China	321	30%
3	Germany	97	9.1%
4	Russia	33	3.1%
5	Spain	17	1.6%
6	Egypt	15	1.4%
7	France	14	1.3%
8	Japan	14	1.3%
9	Netherlands	13	1.2%
10	Singapore	13	1.2%
11	India	13	1.2%
12	Australia	9	0.8%
13	Palestine, State of	9	0.8%
14	Saudi Arabia	8	0.7%
15	Ireland	8	0.7%
16	Korea, Republic of	7	0.7%
17	Malaysia	7	0.7%
18	Bangladesh	6	0.6%
19	Cyprus	6	0.6%
20	Canada	6	0.6%
21	Israel	5	0.5%
22	United Kingdom	5	0.5%
23	Iran, Islamic Republic of	4	0.4%
24	Ghana	4	0.4%
25	Italy	3	0.3%
26	Belgium	3	0.3%
27	Turkey	3	0.3%
28	Ukraine	3	0.3%
29	Thailand	2	0.2%
30	New Zealand	2	0.2%
31	Peru	2	0.2%
32	Czech Republic	2	0.2%
33	Iraq	2	0.2%
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%