Rank	Countries/Territories	Count	Percent
1	United States	586	39.7%
2	China	465	31.5%
3	Germany	178	12.1%
4	Netherlands	35	2.4%
5	France	28	1.9%
6	Canada	20	1.4%
7	United Kingdom	18	1.2%
8	Bulgaria	14	0.9%
9	Australia	13	0.9%
10	Nigeria	12	0.8%
11	Korea, Republic of	12	0.8%
12	Singapore	10	0.7%
13	Japan	9	0.6%
14	Bangladesh	8	0.5%
15	Russia	8	0.5%
16	Hong Kong	7	0.5%
17	India	6	0.4%
18	Spain	5	0.3%
19	Switzerland	4	0.3%
20	Lithuania	4	0.3%
21	Mauritius	4	0.3%
22	Cyprus	4	0.3%
23	Ireland	3	0.2%
24	Latvia	3	0.2%
25	Moldova, Republic of	2	0.1%
26	Romania	2	0.1%
27	Thailand	2	0.1%
28	South Africa	2	0.1%
29	Jordan	2	0.1%
30	Egypt	2	0.1%
31	Argentina	2	0.1%
32	Brazil	1	0.1%
33	Finland	1	0.1%
34	Slovakia	1	0.1%
35	Ukraine	1	0.1%
36	Mongolia	1	0.1%
37	Malaysia	1	0.1%