Rank	Countries/Territories	Count	Percent
1	China	515	37.7%
2	United States	476	34.9%
3	Germany	142	10.4%
4	France	26	1.9%
5	Canada	25	1.8%
6	Netherlands	23	1.7%
7	Romania	17	1.2%
8	Japan	16	1.2%
9	Australia	15	1.1%
10	Cyprus	13	1%
11	Belgium	12	0.9%
12	Singapore	11	0.8%
13	Switzerland	9	0.7%
14	United Kingdom	9	0.7%
15	India	6	0.4%
16	Korea, Republic of	5	0.4%
17	Argentina	4	0.3%
18	Ethiopia	3	0.2%
19	Indonesia	3	0.2%
20	Portugal	3	0.2%
21	Russia	3	0.2%
22	Ireland	3	0.2%
23	Israel	3	0.2%
24	Luxembourg	3	0.2%
25	Malaysia	3	0.2%
26	Mongolia	2	0.1%
27	Norway	2	0.1%
28	Iran, Islamic Republic of	2	0.1%
29	Hong Kong	2	0.1%
30	Latvia	2	0.1%
31	Bangladesh	2	0.1%
32	Lithuania	1	0.1%
33	Italy	1	0.1%
34	Ukraine	1	0.1%
35	Slovenia	1	0.1%
36	Sweden	1	0.1%