Rank	Countries/Territories	Count	Percent
1	United States	329	36.9%
2	China	224	25.1%
3	Japan	65	7.3%
4	Germany	56	6.3%
5	Canada	41	4.6%
6	India	25	2.8%
7	Singapore	19	2.1%
8	France	18	2%
9	Sweden	15	1.7%
10	United Kingdom	14	1.6%
11	Netherlands	9	1%
12	Austria	6	0.7%
13	Brazil	6	0.7%
14	Taiwan	6	0.7%
15	Australia	5	0.6%
16	Iran, Islamic Republic of	4	0.4%
17	Ireland	4	0.4%
18	Portugal	4	0.4%
19	Hong Kong	4	0.4%
20	Italy	3	0.3%
21	Cyprus	3	0.3%
22	Cayman Islands	3	0.3%
23	Egypt	2	0.2%
24	Israel	2	0.2%
25	Greece	2	0.2%
26	Korea, Republic of	2	0.2%
27	Lithuania	2	0.2%
28	Malaysia	2	0.2%
29	Puerto Rico	2	0.2%
30	Saudi Arabia	2	0.2%
31	Serbia	2	0.2%
32	Turkey	2	0.2%
33	Spain	1	0.1%
34	New Zealand	1	0.1%
35	Norway	1	0.1%
36	Poland	1	0.1%
37	Denmark	1	0.1%
38	Colombia	1	0.1%
39	Belgium	1	0.1%
40	Bosnia and Herzegovina	1	0.1%