Rank	Countries/Territories	Count	Percent
1	United States	472	42.8%
2	China	288	26.1%
3	Germany	77	7%
4	United Kingdom	42	3.8%
5	Japan	37	3.4%
6	Singapore	35	3.2%
7	Russia	31	2.8%
8	Netherlands	21	1.9%
9	Sweden	14	1.3%
10	Hong Kong	11	1%
11	France	8	0.7%
12	Brazil	6	0.5%
13	Australia	4	0.4%
14	Hungary	4	0.4%
15	India	4	0.4%
16	Iran, Islamic Republic of	3	0.3%
17	Korea, Republic of	3	0.3%
18	Croatia	3	0.3%
19	Taiwan	3	0.3%
20	Norway	3	0.3%
21	Argentina	3	0.3%
22	Ethiopia	3	0.3%
23	Viet Nam	3	0.3%
24	Saint Vincent and The Grenadines	2	0.2%
25	Pakistan	2	0.2%
26	Poland	2	0.2%
27	Ukraine	2	0.2%
28	South Africa	2	0.2%
29	Cyprus	2	0.2%
30	Malaysia	2	0.2%
31	Mexico	2	0.2%
32	Morocco	1	0.1%
33	Ireland	1	0.1%
34	Italy	1	0.1%
35	Egypt	1	0.1%
36	Bangladesh	1	0.1%
37	Canada	1	0.1%
38	Switzerland	1	0.1%
39	Portugal	1	0.1%
40	Puerto Rico	1	0.1%