Rank	Countries/Territories	Count	Percent
1	China	388	33.9%
2	United States	385	33.7%
3	Germany	87	7.6%
4	Japan	48	4.2%
5	Russia	41	3.6%
6	Korea, Republic of	30	2.6%
7	Singapore	19	1.7%
8	France	18	1.6%
9	Sweden	14	1.2%
10	Bulgaria	10	0.9%
11	United Kingdom	10	0.9%
12	Netherlands	9	0.8%
13	Nigeria	9	0.8%
14	Latvia	7	0.6%
15	Switzerland	7	0.6%
16	Turkey	7	0.6%
17	Benin	6	0.5%
18	Canada	4	0.3%
19	Cyprus	4	0.3%
20	Australia	3	0.3%
21	Iran, Islamic Republic of	3	0.3%
22	Israel	3	0.3%
23	Lithuania	3	0.3%
24	Mauritius	2	0.2%
25	Philippines	2	0.2%
26	Romania	2	0.2%
27	Ukraine	2	0.2%
28	Taiwan	2	0.2%
29	Ireland	2	0.2%
30	Kenya	2	0.2%
31	Indonesia	2	0.2%
32	Argentina	2	0.2%
33	Chile	2	0.2%
34	Viet Nam	2	0.2%
35	Belgium	1	0.1%
36	Greece	1	0.1%
37	India	1	0.1%
38	Thailand	1	0.1%
39	Poland	1	0.1%
40	Mongolia	1	0.1%
41	Myanmar	1	0.1%