Rank	Countries/Territories	Count	Percent
1	United States	342	39.2%
2	China	298	34.1%
3	Germany	63	7.2%
4	Netherlands	23	2.6%
5	Singapore	16	1.8%
6	Russia	14	1.6%
7	Bulgaria	12	1.4%
8	Australia	11	1.3%
9	Japan	11	1.3%
10	Hong Kong	8	0.9%
11	Cyprus	8	0.9%
12	France	8	0.9%
13	Uzbekistan	6	0.7%
14	Romania	5	0.6%
15	Canada	5	0.6%
16	Greece	4	0.5%
17	Portugal	4	0.5%
18	Norway	3	0.3%
19	New Zealand	3	0.3%
20	Argentina	3	0.3%
21	Mongolia	3	0.3%
22	India	3	0.3%
23	Malaysia	3	0.3%
24	Mauritius	2	0.2%
25	Lithuania	2	0.2%
26	Iran, Islamic Republic of	2	0.2%
27	Italy	2	0.2%
28	Nigeria	2	0.2%
29	Pakistan	1	0.1%
30	Philippines	1	0.1%
31	South Africa	1	0.1%
32	Sweden	1	0.1%
33	Ukraine	1	0.1%
34	United Kingdom	1	0.1%
35	Brazil	1	0.1%