Rank	Countries/Territories	Count	Percent
1	United States	189	34.9%
2	China	105	19.4%
3	Japan	48	8.9%
4	Germany	28	5.2%
5	Ireland	21	3.9%
6	Singapore	17	3.1%
7	Canada	12	2.2%
8	France	10	1.8%
9	Peru	10	1.8%
10	Netherlands	9	1.7%
11	United Kingdom	8	1.5%
12	Russia	8	1.5%
13	India	8	1.5%
14	Mexico	7	1.3%
15	Argentina	6	1.1%
16	Cyprus	5	0.9%
17	Saudi Arabia	5	0.9%
18	Iran, Islamic Republic of	4	0.7%
19	Australia	3	0.6%
20	Poland	3	0.6%
21	Romania	3	0.6%
22	Thailand	3	0.6%
23	Turkey	3	0.6%
24	Slovenia	2	0.4%
25	South Africa	2	0.4%
26	Spain	2	0.4%
27	Syrian Arab Republic	2	0.4%
28	Taiwan	2	0.4%
29	Korea, Republic of	2	0.4%
30	Malaysia	2	0.4%
31	Brazil	2	0.4%
32	Iraq	2	0.4%
33	Israel	2	0.4%
34	Indonesia	2	0.4%
35	Hong Kong	1	0.2%
36	Belgium	1	0.2%
37	Egypt	1	0.2%
38	Colombia	1	0.2%