Rank	Countries/Territories	Count	Percent
1	United States	248	30.5%
2	China	146	18%
3	Germany	83	10.2%
4	Ireland	45	5.5%
5	Netherlands	38	4.7%
6	India	36	4.4%
7	Canada	33	4.1%
8	United Kingdom	28	3.4%
9	Japan	22	2.7%
10	Spain	12	1.5%
11	France	11	1.4%
12	Brazil	10	1.2%
13	Colombia	9	1.1%
14	Australia	8	1%
15	Korea, Republic of	8	1%
16	Bulgaria	7	0.9%
17	Cyprus	7	0.9%
18	Thailand	6	0.7%
19	Ethiopia	5	0.6%
20	Indonesia	4	0.5%
21	Iran, Islamic Republic of	4	0.5%
22	Romania	4	0.5%
23	Singapore	4	0.5%
24	Italy	4	0.5%
25	Norway	4	0.5%
26	Pakistan	4	0.5%
27	Tanzania, United Republic of	3	0.4%
28	Uruguay	2	0.2%
29	Poland	2	0.2%
30	South Africa	2	0.2%
31	Guatemala	2	0.2%
32	Hong Kong	2	0.2%
33	Belgium	2	0.2%
34	Finland	1	0.1%
35	Ghana	1	0.1%
36	Russia	1	0.1%
37	Ukraine	1	0.1%
38	Sweden	1	0.1%
39	Switzerland	1	0.1%
40	Malaysia	1	0.1%