Rank	Countries/Territories	Count	Percent
1	United States	448	41.9%
2	China	363	33.9%
3	Germany	63	5.9%
4	India	38	3.6%
5	Japan	18	1.7%
6	Canada	12	1.1%
7	Nigeria	12	1.1%
8	Iran, Islamic Republic of	11	1%
9	Korea, Republic of	10	0.9%
10	Ireland	9	0.8%
11	Netherlands	9	0.8%
12	Singapore	7	0.7%
13	Spain	7	0.7%
14	France	7	0.7%
15		7	0.7%
16	Sweden	6	0.6%
17	Philippines	6	0.6%
18	Australia	5	0.5%
19	Hong Kong	4	0.4%
20	Pakistan	4	0.4%
21	United Kingdom	4	0.4%
22	Brazil	3	0.3%
23	Cyprus	3	0.3%
24	Lebanon	2	0.2%
25	Serbia	2	0.2%
26	Romania	1	0.1%
27	Lithuania	1	0.1%
28	Peru	1	0.1%
29	Switzerland	1	0.1%
30	Taiwan	1	0.1%
31	Turkey	1	0.1%
32	Ethiopia	1	0.1%
33	Cambodia	1	0.1%
34	Latvia	1	0.1%
35	Israel	1	0.1%