Rank	Countries/Territories	Count	Percent
1	United States	735	39.5%
2	China	504	27.1%
3	Germany	131	7%
4	Denmark	93	5%
5	France	81	4.4%
6	Latvia	53	2.8%
7	Japan	52	2.8%
8	Korea, Republic of	42	2.3%
9	Canada	22	1.2%
10	Singapore	17	0.9%
11	United Kingdom	15	0.8%
12	Russia	14	0.8%
13	Cyprus	12	0.6%
14	Netherlands	11	0.6%
15	Argentina	10	0.5%
16	India	8	0.4%
17	Ireland	7	0.4%
18	Australia	6	0.3%
19	Iran, Islamic Republic of	5	0.3%
20	Egypt	5	0.3%
21	Ukraine	5	0.3%
22	South Africa	5	0.3%
23	Bangladesh	4	0.2%
24	Spain	3	0.2%
25	Palestine, State of	3	0.2%
26	Mongolia	3	0.2%
27	Sweden	2	0.1%
28	Hong Kong	2	0.1%
29	Israel	2	0.1%
30	Brazil	1	0.1%
31	Ecuador	1	0.1%
32	Switzerland	1	0.1%
33	Taiwan	1	0.1%
34	Turkey	1	0.1%
35	Saudi Arabia	1	0.1%
36	Romania	1	0.1%
37	Norway	1	0.1%