Rank	Countries/Territories	Count	Percent
1	United States	416	43.1%
2	China	288	29.8%
3	Germany	113	11.7%
4	India	25	2.6%
5		22	2.3%
6	Hong Kong	14	1.4%
7	Japan	14	1.4%
8	Netherlands	13	1.3%
9	Singapore	11	1.1%
10	Senegal	6	0.6%
11	Greece	5	0.5%
12	France	4	0.4%
13	Malaysia	4	0.4%
14	United Kingdom	3	0.3%
15	Australia	3	0.3%
16	Cyprus	2	0.2%
17	Egypt	2	0.2%
18	Latvia	2	0.2%
19	Iran, Islamic Republic of	2	0.2%
20	Italy	2	0.2%
21	Viet Nam	2	0.2%
22	Mauritius	2	0.2%
23	Mongolia	2	0.2%
24	Sweden	2	0.2%
25	Ukraine	1	0.1%
26	Slovakia	1	0.1%
27	Romania	1	0.1%
28	Russia	1	0.1%
29	Indonesia	1	0.1%
30	Bangladesh	1	0.1%
31	Argentina	1	0.1%