Rank	Countries/Territories	Count	Percent
1	United States	556	43.1%
2	China	417	32.3%
3	Germany	79	6.1%
4	Netherlands	22	1.7%
5	Canada	21	1.6%
6	United Kingdom	20	1.5%
7	Singapore	17	1.3%
8	Ireland	14	1.1%
9	Russia	13	1%
10	Turkey	12	0.9%
11	Sweden	12	0.9%
12	Japan	12	0.9%
13	India	9	0.7%
14	Romania	8	0.6%
15	France	7	0.5%
16	Cyprus	7	0.5%
17	Australia	7	0.5%
18	Brazil	6	0.5%
19	Egypt	6	0.5%
20	Denmark	5	0.4%
21	Finland	4	0.3%
22	Pakistan	4	0.3%
23	Iran, Islamic Republic of	4	0.3%
24	Switzerland	3	0.2%
25	Korea, Republic of	3	0.2%
26	Hong Kong	2	0.2%
27	Argentina	2	0.2%
28	South Africa	2	0.2%
29	Uganda	2	0.2%
30	Ukraine	2	0.2%
31	Nigeria	2	0.2%
32	Norway	2	0.2%
33	Mongolia	2	0.2%
34	Peru	1	0.1%
35	Philippines	1	0.1%
36	Taiwan	1	0.1%
37	Austria	1	0.1%
38	Bangladesh	1	0.1%
39	Malaysia	1	0.1%
40	Viet Nam	1	0.1%