Rank	Countries/Territories	Count	Percent
1	United States	399	35.9%
2	China	332	29.9%
3	Germany	115	10.4%
4	Japan	37	3.3%
5	Russia	36	3.2%
6	Singapore	29	2.6%
7	Korea, Republic of	18	1.6%
8	France	17	1.5%
9	Canada	17	1.5%
10	Netherlands	13	1.2%
11	Cyprus	9	0.8%
12	Italy	8	0.7%
13	Bangladesh	6	0.5%
14	Taiwan	5	0.5%
15	United Kingdom	5	0.5%
16	Switzerland	4	0.4%
17	Ukraine	4	0.4%
18		4	0.4%
19	Australia	4	0.4%
20	India	4	0.4%
21	Malaysia	4	0.4%
22	Colombia	3	0.3%
23	Argentina	3	0.3%
24	Turkey	3	0.3%
25	Viet Nam	2	0.2%
26	Sweden	2	0.2%
27	Thailand	2	0.2%
28	Iran, Islamic Republic of	2	0.2%
29	Egypt	2	0.2%
30	Finland	2	0.2%
31	Mexico	2	0.2%
32	Portugal	2	0.2%
33	Puerto Rico	2	0.2%
34	Romania	1	0.1%
35	South Africa	1	0.1%
36	Spain	1	0.1%
37	Saudi Arabia	1	0.1%
38	Norway	1	0.1%
39	Philippines	1	0.1%
40	Poland	1	0.1%
41	Hong Kong	1	0.1%
42	Hungary	1	0.1%
43	Ireland	1	0.1%
44	Israel	1	0.1%
45	Indonesia	1	0.1%
46	Belgium	1	0.1%