Rank	Countries/Territories	Count	Percent
1	United States	321	36.7%
2	China	272	31.1%
3	Germany	46	5.3%
4	India	32	3.7%
5	Ireland	26	3%
6	Japan	20	2.3%
7	Netherlands	20	2.3%
8	Singapore	15	1.7%
9	Canada	11	1.3%
10	France	10	1.1%
11	Pakistan	10	1.1%
12	Australia	8	0.9%
13	United Kingdom	7	0.8%
14	Russia	7	0.8%
15	Cyprus	5	0.6%
16	Hong Kong	4	0.5%
17	Korea, Republic of	4	0.5%
18	Israel	4	0.5%
19	South Africa	4	0.5%
20	Switzerland	4	0.5%
21	Taiwan	4	0.5%
22	Spain	3	0.3%
23	Italy	3	0.3%
24	Malaysia	3	0.3%
25	Denmark	3	0.3%
26	Egypt	3	0.3%
27	Argentina	3	0.3%
28	Brazil	2	0.2%
29	Colombia	2	0.2%
30	Cuba	2	0.2%
31	Indonesia	2	0.2%
32	Poland	2	0.2%
33	Thailand	2	0.2%
34	Ukraine	2	0.2%
35	Romania	2	0.2%
36	Sweden	1	0.1%
37	Portugal	1	0.1%
38	Philippines	1	0.1%
39	Iran, Islamic Republic of	1	0.1%
40	Czech Republic	1	0.1%
41	Austria	1	0.1%
42	Belgium	1	0.1%