Rank	Countries/Territories	Count	Percent
1	China	271	31.3%
2	United States	251	29%
3	Germany	77	8.9%
4	Latvia	70	8.1%
5	France	31	3.6%
6	Russia	20	2.3%
7	Japan	19	2.2%
8	India	16	1.8%
9	Ireland	16	1.8%
10	Canada	14	1.6%
11	Netherlands	12	1.4%
12	Spain	12	1.4%
13	Norway	11	1.3%
14	Korea, Republic of	9	1%
15	Senegal	6	0.7%
16	Singapore	4	0.5%
17	Saudi Arabia	3	0.3%
18	Turkey	3	0.3%
19	Hong Kong	3	0.3%
20	Australia	3	0.3%
21	Argentina	2	0.2%
22	Cyprus	2	0.2%
23	Finland	2	0.2%
24	Poland	2	0.2%
25	Mongolia	2	0.2%
26	Switzerland	2	0.2%
27	Thailand	2	0.2%
28	Ukraine	1	0.1%