Rank	Countries/Territories	Count	Percent
1	United States	388	35.5%
2	China	357	32.6%
3	Germany	79	7.2%
4	Japan	48	4.4%
5	India	30	2.7%
6	Ireland	24	2.2%
7	Iran, Islamic Republic of	19	1.7%
8	Netherlands	15	1.4%
9	France	14	1.3%
10	Singapore	13	1.2%
11	Sweden	11	1%
12	Canada	10	0.9%
13		9	0.8%
14	Cyprus	8	0.7%
15	United Kingdom	8	0.7%
16	Taiwan	7	0.6%
17	Hong Kong	7	0.6%
18	Saudi Arabia	4	0.4%
19	Ukraine	3	0.3%
20	Viet Nam	3	0.3%
21	South Sudan	3	0.3%
22	Spain	3	0.3%
23	Romania	3	0.3%
24	Korea, Republic of	3	0.3%
25	Latvia	3	0.3%
26	Mongolia	2	0.2%
27	Philippines	2	0.2%
28	Russia	2	0.2%
29	Switzerland	2	0.2%
30	Czech Republic	2	0.2%
31	Egypt	2	0.2%
32	Australia	2	0.2%
33	Bangladesh	2	0.2%
34	Bulgaria	2	0.2%
35	Indonesia	1	0.1%
36	Slovenia	1	0.1%
37	Pakistan	1	0.1%
38	Mauritius	1	0.1%