Rank	Countries/Territories	Count	Percent
1	United States	367	37.4%
2	China	262	26.7%
3	Germany	109	11.1%
4	Japan	37	3.8%
5	Russia	35	3.6%
6	Singapore	28	2.9%
7	Korea, Republic of	18	1.8%
8	Canada	16	1.6%
9	Netherlands	11	1.1%
10	France	10	1%
11	Cyprus	7	0.7%
12	Bangladesh	6	0.6%
13	Italy	6	0.6%
14	Taiwan	5	0.5%
15	United Kingdom	5	0.5%
16	Switzerland	4	0.4%
17		4	0.4%
18	India	4	0.4%
19	Argentina	3	0.3%
20	Australia	3	0.3%
21	Colombia	3	0.3%
22	Turkey	3	0.3%
23	Ukraine	3	0.3%
24	Viet Nam	2	0.2%
25	Egypt	2	0.2%
26	Finland	2	0.2%
27	Iran, Islamic Republic of	2	0.2%
28	Thailand	2	0.2%
29	Sweden	2	0.2%
30	Portugal	2	0.2%
31	Puerto Rico	2	0.2%
32	Malaysia	2	0.2%
33	Mexico	2	0.2%
34	Romania	1	0.1%
35	Philippines	1	0.1%
36	Poland	1	0.1%
37	South Africa	1	0.1%
38	Spain	1	0.1%
39	Saudi Arabia	1	0.1%
40	Israel	1	0.1%
41	Indonesia	1	0.1%
42	Hong Kong	1	0.1%
43	Hungary	1	0.1%
44	Belgium	1	0.1%