Rank	Countries/Territories	Count	Percent
1	United States	329	33.5%
2	China	320	32.6%
3	Germany	69	7%
4	Japan	59	6%
5	India	37	3.8%
6	France	26	2.6%
7	Korea, Republic of	20	2%
8	Canada	17	1.7%
9	Ukraine	13	1.3%
10	Netherlands	11	1.1%
11	Hong Kong	10	1%
12	Mexico	9	0.9%
13	Ethiopia	7	0.7%
14	Australia	6	0.6%
15	South Africa	6	0.6%
16	Turkey	6	0.6%
17	Singapore	5	0.5%
18	Taiwan	3	0.3%
19	Thailand	3	0.3%
20	Argentina	3	0.3%
21	Cyprus	3	0.3%
22	Ireland	3	0.3%
23	Indonesia	3	0.3%
24	Iran, Islamic Republic of	2	0.2%
25	Israel	2	0.2%
26	Egypt	2	0.2%
27	Romania	2	0.2%
28	Russia	2	0.2%
29	Norway	1	0.1%
30	Portugal	1	0.1%
31	Yemen	1	0.1%
32	Brazil	1	0.1%
33	Italy	1	0.1%