Rank	Countries/Territories	Count	Percent
1	United States	394	47.8%
2	China	158	19.2%
3	Germany	64	7.8%
4	India	30	3.6%
5	Brazil	30	3.6%
6	Japan	24	2.9%
7	Spain	13	1.6%
8	Australia	12	1.5%
9	France	11	1.3%
10	Ireland	10	1.2%
11	United Kingdom	9	1.1%
12	Korea, Republic of	7	0.8%
13	Belgium	7	0.8%
14	Canada	7	0.8%
15	Mexico	5	0.6%
16	Sweden	5	0.6%
17	Russia	4	0.5%
18	Turkey	4	0.5%
19	Singapore	3	0.4%
20	Poland	3	0.4%
21	Cyprus	3	0.4%
22	Denmark	2	0.2%
23	Ecuador	2	0.2%
24	Chile	2	0.2%
25	Iran, Islamic Republic of	2	0.2%
26	Netherlands	2	0.2%
27	Italy	2	0.2%
28	Hong Kong	2	0.2%
29	Switzerland	1	0.1%
30	Taiwan	1	0.1%
31	Liechtenstein	1	0.1%
32	Portugal	1	0.1%
33	Greece	1	0.1%
34	Argentina	1	0.1%
35	Colombia	1	0.1%
36	Finland	1	0.1%