Rank	Countries/Territories	Count	Percent
1	United States	299	37.7%
2	China	221	27.9%
3	Germany	62	7.8%
4	India	32	4%
5	Netherlands	29	3.7%
6	Ireland	28	3.5%
7	Estonia	28	3.5%
8	Japan	19	2.4%
9	Iran, Islamic Republic of	9	1.1%
10	Hong Kong	7	0.9%
11	Denmark	7	0.9%
12	Australia	5	0.6%
13	Mongolia	5	0.6%
14	Singapore	5	0.6%
15	United Kingdom	4	0.5%
16	Sweden	3	0.4%
17	Ukraine	3	0.4%
18	Philippines	3	0.4%
19	Poland	3	0.4%
20	France	3	0.4%
21	Argentina	2	0.3%
22	Canada	2	0.3%
23	Cyprus	2	0.3%
24	Korea, Republic of	2	0.3%
25	Romania	2	0.3%
26	United Arab Emirates	2	0.3%
27	Norway	2	0.3%
28	Saudi Arabia	1	0.1%
29	Slovakia	1	0.1%
30	New Zealand	1	0.1%
31	Indonesia	1	0.1%