Rank	Countries/Territories	Count	Percent
1	United States	311	39%
2	China	262	32.8%
3	Germany	43	5.4%
4	Japan	32	4%
5	India	24	3%
6	Russia	19	2.4%
7	Korea, Republic of	15	1.9%
8	Singapore	12	1.5%
9	Hong Kong	9	1.1%
10	Israel	8	1%
11	Senegal	8	1%
12	Egypt	5	0.6%
13	France	5	0.6%
14	Australia	5	0.6%
15	Canada	5	0.6%
16	Portugal	4	0.5%
17	United Kingdom	3	0.4%
18	Sweden	3	0.4%
19	Iran, Islamic Republic of	3	0.4%
20	Mexico	3	0.4%
21	Ireland	2	0.3%
22	Cyprus	2	0.3%
23	Thailand	2	0.3%
24	Ukraine	2	0.3%
25	Netherlands	2	0.3%
26	New Zealand	1	0.1%
27	Romania	1	0.1%
28	South Africa	1	0.1%
29	Taiwan	1	0.1%
30	Argentina	1	0.1%
31	Viet Nam	1	0.1%
32	Denmark	1	0.1%
33	Italy	1	0.1%
34	Mongolia	1	0.1%