Rank	Countries/Territories	Count	Percent
1	United States	238	36.4%
2	China	161	24.7%
3	Germany	94	14.4%
4	Korea, Republic of	17	2.6%
5	United Kingdom	14	2.1%
6	Singapore	12	1.8%
7	France	11	1.7%
8	Japan	10	1.5%
9	India	10	1.5%
10	Ethiopia	10	1.5%
11	Norway	8	1.2%
12	Russia	7	1.1%
13	Cyprus	7	1.1%
14	Netherlands	6	0.9%
15	Spain	6	0.9%
16	Hong Kong	5	0.8%
17	Mexico	4	0.6%
18	Iran, Islamic Republic of	3	0.5%
19	Ireland	3	0.5%
20	Taiwan	3	0.5%
21	Romania	3	0.5%
22	Peru	2	0.3%
23	Ukraine	2	0.3%
24	Switzerland	2	0.3%
25	Canada	2	0.3%
26	Argentina	2	0.3%
27	Australia	1	0.2%
28	Austria	1	0.2%
29	Israel	1	0.2%
30	Indonesia	1	0.2%
31	Slovakia	1	0.2%
32	South Africa	1	0.2%
33	Philippines	1	0.2%
34	Portugal	1	0.2%
35	Pakistan	1	0.2%
36	Palestine, State of	1	0.2%
37	Serbia	1	0.2%