Rank	Countries/Territories	Count	Percent
1	United States	676	47.1%
2	China	441	30.7%
3	Germany	119	8.3%
4	Japan	70	4.9%
5	Australia	20	1.4%
6	Singapore	16	1.1%
7	Canada	10	0.7%
8	Netherlands	9	0.6%
9	France	9	0.6%
10	Mongolia	8	0.6%
11	Ukraine	8	0.6%
12	Argentina	7	0.5%
13	Ireland	6	0.4%
14	Cyprus	5	0.3%
15	Spain	5	0.3%
16	United Kingdom	4	0.3%
17	Russia	3	0.2%
18	Saudi Arabia	2	0.1%
19	South Africa	2	0.1%
20	Taiwan	2	0.1%
21	Belgium	2	0.1%
22	Indonesia	2	0.1%
23	Korea, Republic of	2	0.1%
24	Latvia	2	0.1%
25	Poland	1	0.1%
26	Iran, Islamic Republic of	1	0.1%
27	Hong Kong	1	0.1%
28	Sweden	1	0.1%
29	Switzerland	1	0.1%