Rank	Countries/Territories	Count	Percent
1	United States	509	35.5%
2	China	496	34.6%
3	Japan	85	5.9%
4	Germany	67	4.7%
5	Korea, Republic of	39	2.7%
6	Canada	25	1.7%
7	India	22	1.5%
8	Hungary	17	1.2%
9	Italy	17	1.2%
10	France	15	1%
11	United Kingdom	15	1%
12	Brazil	12	0.8%
13	Malaysia	12	0.8%
14	Singapore	11	0.8%
15	Taiwan	7	0.5%
16	Netherlands	7	0.5%
17	Cyprus	7	0.5%
18	Czech Republic	6	0.4%
19	New Zealand	6	0.4%
20	Hong Kong	6	0.4%
21	Spain	6	0.4%
22	Sweden	6	0.4%
23	Belgium	5	0.3%
24	Australia	4	0.3%
25	Latvia	4	0.3%
26	Iran, Islamic Republic of	3	0.2%
27	Ireland	3	0.2%
28	Israel	3	0.2%
29	Thailand	3	0.2%
30	Bulgaria	2	0.1%
31	Tanzania, United Republic of	2	0.1%
32	Palestine, State of	2	0.1%
33	Romania	1	0.1%
34	Russia	1	0.1%
35	Switzerland	1	0.1%
36	Bosnia and Herzegovina	1	0.1%
37	Bangladesh	1	0.1%
38	Algeria	1	0.1%
39	Argentina	1	0.1%
40	Ukraine	1	0.1%