Rank	Countries/Territories	Count	Percent
1	United States	737	46.5%
2	China	405	25.6%
3	Germany	122	7.7%
4	Japan	64	4%
5	United Kingdom	61	3.8%
6	India	51	3.2%
7	France	29	1.8%
8	Korea, Republic of	18	1.1%
9	Canada	15	0.9%
10	Netherlands	9	0.6%
11	Nigeria	7	0.4%
12	Singapore	7	0.4%
13	Taiwan	7	0.4%
14	Brazil	6	0.4%
15	Cyprus	5	0.3%
16	Lithuania	5	0.3%
17	Australia	4	0.3%
18	Iraq	4	0.3%
19	Tanzania, United Republic of	3	0.2%
20	Malaysia	3	0.2%
21	Iran, Islamic Republic of	2	0.1%
22	Hong Kong	2	0.1%
23	Bangladesh	2	0.1%
24	Italy	2	0.1%
25	Sweden	2	0.1%
26	Yemen	2	0.1%
27	Poland	2	0.1%
28	Portugal	2	0.1%
29	Serbia	1	0.1%
30	Israel	1	0.1%
31	South Africa	1	0.1%
32	Spain	1	0.1%
33	Ukraine	1	0.1%
34	Belgium	1	0.1%
35	Argentina	1	0.1%