Rank	Countries/Territories	Count	Percent
1	United States	343	34%
2	China	228	22.6%
3	Germany	109	10.8%
4	India	50	5%
5	United Kingdom	48	4.8%
6	Canada	30	3%
7	France	28	2.8%
8	Japan	24	2.4%
9	Palestine, State of	17	1.7%
10	Netherlands	16	1.6%
11	Ireland	15	1.5%
12	Nigeria	9	0.9%
13	Taiwan	8	0.8%
14	Australia	8	0.8%
15	Russia	7	0.7%
16	Romania	6	0.6%
17	Singapore	6	0.6%
18	Hong Kong	5	0.5%
19	Iran, Islamic Republic of	5	0.5%
20	Iraq	4	0.4%
21	Argentina	4	0.4%
22	Pakistan	4	0.4%
23	Philippines	3	0.3%
24	Thailand	3	0.3%
25	Albania	3	0.3%
26	Austria	3	0.3%
27	Bangladesh	3	0.3%
28	Indonesia	3	0.3%
29	Yemen	3	0.3%
30	Viet Nam	2	0.2%
31	Egypt	2	0.2%
32	United Arab Emirates	2	0.2%
33	Malaysia	2	0.2%
34	Mexico	1	0.1%
35	Luxembourg	1	0.1%
36	Ukraine	1	0.1%
37	Saudi Arabia	1	0.1%
38	Finland	1	0.1%
39	Cyprus	1	0.1%