Rank	Countries/Territories	Count	Percent
1	United States	498	37.4%
2	China	464	34.8%
3	Germany	101	7.6%
4	India	65	4.9%
5	Portugal	26	2%
6	Japan	20	1.5%
7	Netherlands	18	1.4%
8	Saudi Arabia	14	1.1%
9	Singapore	11	0.8%
10	Spain	11	0.8%
11	Turkey	11	0.8%
12	Australia	11	0.8%
13	Canada	10	0.8%
14	Senegal	7	0.5%
15	Cyprus	6	0.5%
16	Hong Kong	6	0.5%
17	Italy	5	0.4%
18	United Kingdom	5	0.4%
19	Korea, Republic of	4	0.3%
20	Egypt	4	0.3%
21	France	4	0.3%
22	Ireland	3	0.2%
23	Indonesia	3	0.2%
24	Thailand	3	0.2%
25	Philippines	3	0.2%
26	Romania	2	0.2%
27	Russia	2	0.2%
28	Taiwan	2	0.2%
29	Viet Nam	2	0.2%
30	Iran, Islamic Republic of	2	0.2%
31	Azerbaijan	2	0.2%
32	Belgium	2	0.2%
33	Finland	1	0.1%
34	Mongolia	1	0.1%
35	Vanuatu	1	0.1%
36	Ukraine	1	0.1%
37	United Arab Emirates	1	0.1%