Rank	Countries/Territories	Count	Percent
1	United States	268	37.2%
2	China	234	32.5%
3	Germany	69	9.6%
4	United Kingdom	14	1.9%
5	Japan	13	1.8%
6	India	12	1.7%
7	Canada	10	1.4%
8	Australia	10	1.4%
9	Netherlands	9	1.2%
10	Taiwan	8	1.1%
11	Moldova, Republic of	7	1%
12	France	7	1%
13	Korea, Republic of	6	0.8%
14	Italy	5	0.7%
15	Cyprus	5	0.7%
16	Mexico	4	0.6%
17	Singapore	4	0.6%
18	Spain	3	0.4%
19	Argentina	3	0.4%
20	Bangladesh	2	0.3%
21	Brazil	2	0.3%
22	Indonesia	2	0.3%
23	Hong Kong	2	0.3%
24	Sweden	2	0.3%
25	Thailand	2	0.3%
26	New Zealand	2	0.3%
27	Philippines	2	0.3%
28	Poland	2	0.3%
29	Russia	2	0.3%
30	Serbia	1	0.1%
31	South Africa	1	0.1%
32	Mongolia	1	0.1%
33	Turkey	1	0.1%
34	Uganda	1	0.1%
35	Ukraine	1	0.1%
36	Switzerland	1	0.1%
37	Bulgaria	1	0.1%
38	Austria	1	0.1%
39	Ethiopia	1	0.1%