Rank	Countries/Territories	Count	Percent
1	United States	571	38.9%
2	China	533	36.4%
3	Germany	125	8.5%
4	France	67	4.6%
5		36	2.5%
6	Japan	24	1.6%
7	Singapore	16	1.1%
8	Australia	14	1%
9	Norway	10	0.7%
10	India	9	0.6%
11	Canada	7	0.5%
12	Hong Kong	6	0.4%
13	Netherlands	6	0.4%
14	Russia	5	0.3%
15	Ireland	5	0.3%
16	Cyprus	5	0.3%
17	Switzerland	4	0.3%
18	Ukraine	4	0.3%
19	United Kingdom	3	0.2%
20	Taiwan	2	0.1%
21	Serbia	2	0.1%
22	Mongolia	2	0.1%
23	Bulgaria	2	0.1%
24	Bangladesh	2	0.1%
25	Iran, Islamic Republic of	2	0.1%
26	Latvia	1	0.1%
27	Malaysia	1	0.1%
28	Brazil	1	0.1%
29	Argentina	1	0.1%