Rank	Countries/Territories	Count	Percent
1	United States	264	36.1%
2	China	260	35.6%
3	Germany	109	14.9%
4	Singapore	10	1.4%
5	Ireland	9	1.2%
6	Japan	9	1.2%
7	Korea, Republic of	7	1%
8	Canada	7	1%
9	Cyprus	6	0.8%
10	India	6	0.8%
11	Turkey	6	0.8%
12	Spain	4	0.5%
13	Taiwan	4	0.5%
14	Indonesia	4	0.5%
15	Greece	4	0.5%
16	France	4	0.5%
17	Netherlands	3	0.4%
18	Norway	2	0.3%
19	Iran, Islamic Republic of	2	0.3%
20	Ethiopia	2	0.3%
21	Australia	2	0.3%
22	Belgium	2	0.3%
23	Bulgaria	1	0.1%
24	Bangladesh	1	0.1%
25	Philippines	1	0.1%
26	Sweden	1	0.1%
27	Ukraine	1	0.1%