Rank	Countries/Territories	Count	Percent
1	China	311	44.4%
2	United States	152	21.7%
3	Germany	25	3.6%
4	France	19	2.7%
5	Netherlands	18	2.6%
6	Singapore	17	2.4%
7	Japan	14	2%
8	Bulgaria	14	2%
9	United Kingdom	13	1.9%
10	Russia	12	1.7%
11	Iran, Islamic Republic of	12	1.7%
12	Hong Kong	9	1.3%
13	Thailand	9	1.3%
14	South Africa	8	1.1%
15	Australia	8	1.1%
16	Canada	6	0.9%
17	Latvia	6	0.9%
18	Nigeria	5	0.7%
19	Ukraine	5	0.7%
20	Korea, Republic of	5	0.7%
21	Brazil	4	0.6%
22	Bolivia, Plurinational State of	3	0.4%
23	Philippines	3	0.4%
24	Malaysia	3	0.4%
25	New Zealand	2	0.3%
26	Spain	2	0.3%
27	Sweden	2	0.3%
28	Portugal	2	0.3%
29	Tunisia	2	0.3%
30	Argentina	2	0.3%
31	Denmark	2	0.3%
32	Bangladesh	1	0.1%
33	Lao People's Democratic Republic	1	0.1%
34	Ireland	1	0.1%
35	Togo	1	0.1%
36	Mongolia	1	0.1%
37	Viet Nam	1	0.1%