Rank	Countries/Territories	Count	Percent
1	United States	434	40.9%
2	China	301	28.3%
3	Germany	88	8.3%
4	Japan	47	4.4%
5	Ireland	27	2.5%
6	France	18	1.7%
7	Netherlands	16	1.5%
8	India	14	1.3%
9	Australia	11	1%
10	Canada	9	0.8%
11		8	0.8%
12	Korea, Republic of	7	0.7%
13	Philippines	7	0.7%
14	Singapore	7	0.7%
15	Mexico	6	0.6%
16	Indonesia	6	0.6%
17	Egypt	5	0.5%
18	Pakistan	5	0.5%
19	United Kingdom	4	0.4%
20	Turkey	4	0.4%
21	Colombia	4	0.4%
22	Argentina	4	0.4%
23	Malaysia	4	0.4%
24	Cyprus	3	0.3%
25	Spain	3	0.3%
26	Thailand	3	0.3%
27	Ukraine	2	0.2%
28	Norway	2	0.2%
29	Russia	2	0.2%
30	Saudi Arabia	2	0.2%
31	Greece	2	0.2%
32	Hong Kong	2	0.2%
33	Iran, Islamic Republic of	1	0.1%
34	Ethiopia	1	0.1%
35	Qatar	1	0.1%
36	Mongolia	1	0.1%
37	South Africa	1	0.1%