Rank	Countries/Territories	Count	Percent
1	United States	210	43.8%
2	China	87	18.1%
3	Germany	50	10.4%
4	Ireland	24	5%
5	India	12	2.5%
6	Taiwan	8	1.7%
7	Netherlands	7	1.5%
8	Singapore	6	1.2%
9	Korea, Republic of	6	1.2%
10	Ecuador	5	1%
11	Sweden	5	1%
12	United Kingdom	5	1%
13	France	5	1%
14	Ukraine	4	0.8%
15	Malaysia	4	0.8%
16	Canada	4	0.8%
17	Argentina	4	0.8%
18	Australia	3	0.6%
19	Cyprus	3	0.6%
20	Egypt	3	0.6%
21	Mexico	3	0.6%
22	Spain	3	0.6%
23	Philippines	3	0.6%
24	Russia	2	0.4%
25	Turkey	2	0.4%
26	Bulgaria	2	0.4%
27	Italy	2	0.4%
28	Iran, Islamic Republic of	2	0.4%
29	Greece	1	0.2%
30	Japan	1	0.2%
31	Latvia	1	0.2%
32	Colombia	1	0.2%
33	Switzerland	1	0.2%
34	Peru	1	0.2%