Rank	Countries/Territories	Count	Percent
1	China	501	36.4%
2	United States	493	35.8%
3	Germany	102	7.4%
4	Bulgaria	47	3.4%
5	Netherlands	31	2.3%
6	Singapore	24	1.7%
7	France	22	1.6%
8	Japan	20	1.5%
9	Canada	19	1.4%
10	Hong Kong	17	1.2%
11	Russia	13	0.9%
12	United Kingdom	9	0.7%
13	Morocco	7	0.5%
14	Australia	7	0.5%
15	Cyprus	6	0.4%
16	India	5	0.4%
17	Latvia	5	0.4%
18	Korea, Republic of	4	0.3%
19	Argentina	4	0.3%
20	Belgium	4	0.3%
21	Greece	3	0.2%
22	Thailand	3	0.2%
23	Saudi Arabia	3	0.2%
24	Switzerland	3	0.2%
25	Taiwan	2	0.1%
26	Nicaragua	2	0.1%
27	Norway	2	0.1%
28	Mauritius	2	0.1%
29	Moldova, Republic of	2	0.1%
30	Mongolia	2	0.1%
31	Egypt	2	0.1%
32	Iran, Islamic Republic of	2	0.1%
33	Kenya	2	0.1%
34	Finland	1	0.1%
35	Bangladesh	1	0.1%
36	Denmark	1	0.1%
37	Serbia	1	0.1%
38	Turkey	1	0.1%
39	Ukraine	1	0.1%
40	Viet Nam	1	0.1%