Rank	Countries/Territories	Count	Percent
1	United States	308	29.1%
2	China	287	27.1%
3	Japan	157	14.8%
4	Germany	70	6.6%
5	India	48	4.5%
6	Singapore	39	3.7%
7	Korea, Republic of	21	2%
8	Canada	16	1.5%
9	Hong Kong	12	1.1%
10	Netherlands	10	0.9%
11	France	9	0.8%
12	United Kingdom	9	0.8%
13	Ukraine	7	0.7%
14	Lithuania	6	0.6%
15	Indonesia	6	0.6%
16	Poland	6	0.6%
17	Iran, Islamic Republic of	5	0.5%
18	Brazil	5	0.5%
19	Belgium	4	0.4%
20	Taiwan	4	0.4%
21	Turkey	4	0.4%
22	Mexico	3	0.3%
23	Norway	3	0.3%
24	Cyprus	3	0.3%
25	Australia	2	0.2%
26	Italy	2	0.2%
27	Mauritius	2	0.2%
28	South Africa	2	0.2%
29	Sweden	2	0.2%
30	Russia	2	0.2%
31	Slovakia	1	0.1%
32	New Zealand	1	0.1%
33	Finland	1	0.1%
34	Georgia	1	0.1%
35	Israel	1	0.1%
36	Malaysia	1	0.1%