Rank	Countries/Territories	Count	Percent
1	United States	317	39.2%
2	China	231	28.6%
3	Germany	100	12.4%
4	Bulgaria	16	2%
5	France	15	1.9%
6	India	14	1.7%
7	United Arab Emirates	13	1.6%
8	United Kingdom	10	1.2%
9	Slovakia	9	1.1%
10	Singapore	8	1%
11	Netherlands	8	1%
12	Australia	8	1%
13	Hong Kong	7	0.9%
14	Japan	7	0.9%
15	Cyprus	6	0.7%
16	Canada	4	0.5%
17	Argentina	4	0.5%
18	Ireland	4	0.5%
19	Denmark	3	0.4%
20	Romania	3	0.4%
21	Russia	3	0.4%
22	Nigeria	2	0.2%
23	Pakistan	2	0.2%
24	Uganda	2	0.2%
25	Cameroon	2	0.2%
26	Mongolia	2	0.2%
27	Iraq	2	0.2%
28	Latvia	1	0.1%
29	Mauritius	1	0.1%
30	Ukraine	1	0.1%
31	Switzerland	1	0.1%
32	Norway	1	0.1%
33	Saudi Arabia	1	0.1%