Rank	Countries/Territories	Count	Percent
1	United States	395	37.6%
2	China	290	27.6%
3	Germany	108	10.3%
4	Japan	60	5.7%
5		18	1.7%
6	France	14	1.3%
7	Ireland	13	1.2%
8	United Kingdom	12	1.1%
9	India	11	1%
10	Korea, Republic of	10	1%
11	Portugal	10	1%
12	Singapore	10	1%
13	Cyprus	9	0.9%
14	Bahrain	9	0.9%
15	Australia	8	0.8%
16	Switzerland	8	0.8%
17	Netherlands	7	0.7%
18	Russia	5	0.5%
19	Canada	5	0.5%
20	Greece	5	0.5%
21	Iran, Islamic Republic of	4	0.4%
22	Argentina	4	0.4%
23	Mexico	4	0.4%
24	Spain	3	0.3%
25	Taiwan	3	0.3%
26	Italy	3	0.3%
27	Ukraine	3	0.3%
28	Turkey	2	0.2%
29	Mongolia	2	0.2%
30	Pakistan	2	0.2%
31	Latvia	2	0.2%
32	Malaysia	2	0.2%
33	Bulgaria	2	0.2%
34	Israel	2	0.2%
35	Hong Kong	2	0.2%
36	Zambia	2	0.2%
37	Egypt	1	0.1%
38	Austria	1	0.1%