Rank	Countries/Territories	Count	Percent
1	United States	635	37.8%
2	China	569	33.8%
3	Germany	241	14.3%
4	France	49	2.9%
5	Japan	39	2.3%
6	Canada	18	1.1%
7	India	16	1%
8	Netherlands	15	0.9%
9	Mali	10	0.6%
10	Taiwan	9	0.5%
11	Cyprus	9	0.5%
12	Senegal	8	0.5%
13	Ukraine	7	0.4%
14	Ireland	7	0.4%
15	Egypt	6	0.4%
16	Austria	4	0.2%
17	Indonesia	4	0.2%
18	United Kingdom	4	0.2%
19	Singapore	4	0.2%
20	Russia	3	0.2%
21	Iran, Islamic Republic of	3	0.2%
22	Hong Kong	3	0.2%
23	Australia	3	0.2%
24	Bangladesh	2	0.1%
25	Finland	2	0.1%
26	Thailand	2	0.1%
27	Turkey	2	0.1%
28	Norway	2	0.1%
29	Portugal	1	0.1%
30	Morocco	1	0.1%
31	Switzerland	1	0.1%
32	Cambodia	1	0.1%
33	Korea, Republic of	1	0.1%