Rank	Countries/Territories	Count	Percent
1	United States	373	39.6%
2	China	279	29.6%
3	Germany	101	10.7%
4	Japan	30	3.2%
5	Norway	30	3.2%
6	India	21	2.2%
7	Singapore	14	1.5%
8	France	13	1.4%
9	Russia	11	1.2%
10	Netherlands	10	1.1%
11	Hong Kong	9	1%
12	Italy	5	0.5%
13	Switzerland	5	0.5%
14	Latvia	4	0.4%
15	Cyprus	4	0.4%
16	Australia	4	0.4%
17	Austria	4	0.4%
18	Canada	3	0.3%
19	United Kingdom	3	0.3%
20	Mongolia	2	0.2%
21	Philippines	2	0.2%
22	Costa Rica	2	0.2%
23	Belgium	2	0.2%
24	Brazil	2	0.2%
25	Korea, Republic of	2	0.2%
26	Iran, Islamic Republic of	2	0.2%
27	Hungary	1	0.1%
28	Bangladesh	1	0.1%
29	Sweden	1	0.1%
30	Malaysia	1	0.1%
31	Ukraine	1	0.1%