Rank	Countries/Territories	Count	Percent
1	United States	420	43.8%
2	China	178	18.5%
3	Germany	128	13.3%
4	India	56	5.8%
5	France	27	2.8%
6	Japan	24	2.5%
7	Korea, Republic of	18	1.9%
8	Ireland	16	1.7%
9	Netherlands	14	1.5%
10	Australia	7	0.7%
11	Cyprus	5	0.5%
12	Argentina	5	0.5%
13	Canada	5	0.5%
14	Israel	5	0.5%
15	Iran, Islamic Republic of	5	0.5%
16	Russia	5	0.5%
17	Singapore	5	0.5%
18	Spain	3	0.3%
19	Mexico	3	0.3%
20	Jordan	3	0.3%
21	Belgium	3	0.3%
22	Bangladesh	2	0.2%
23	Italy	2	0.2%
24	Greece	2	0.2%
25	Hong Kong	2	0.2%
26	Philippines	2	0.2%
27	Portugal	2	0.2%
28	Sweden	2	0.2%
29	United Kingdom	2	0.2%
30	South Africa	1	0.1%
31	Switzerland	1	0.1%
32	Taiwan	1	0.1%
33	Norway	1	0.1%
34	Pakistan	1	0.1%
35	Mongolia	1	0.1%
36	Hungary	1	0.1%
37	Brazil	1	0.1%
38	Finland	1	0.1%