Rank	Countries/Territories	Count	Percent
1	United States	576	38.6%
2	China	530	35.5%
3	Germany	163	10.9%
4	India	49	3.3%
5	Japan	38	2.5%
6	Korea, Republic of	17	1.1%
7	United Kingdom	16	1.1%
8	Canada	11	0.7%
9	Cyprus	10	0.7%
10	Hong Kong	10	0.7%
11	Netherlands	10	0.7%
12	Russia	9	0.6%
13	Senegal	6	0.4%
14	Singapore	6	0.4%
15	Taiwan	6	0.4%
16	France	6	0.4%
17	Latvia	4	0.3%
18	Mongolia	3	0.2%
19	Iran, Islamic Republic of	3	0.2%
20	Ireland	2	0.1%
21	Italy	2	0.1%
22	Greece	2	0.1%
23	Finland	2	0.1%
24	Argentina	2	0.1%
25	Australia	2	0.1%
26	Viet Nam	2	0.1%
27	South Africa	1	0.1%
28	New Zealand	1	0.1%
29	Portugal	1	0.1%
30	Romania	1	0.1%
31	Bangladesh	1	0.1%
32	Brazil	1	0.1%
33	Egypt	1	0.1%