Rank	Countries/Territories	Count	Percent
1	United States	365	32.5%
2	China	317	28.3%
3	Germany	95	8.5%
4	United Kingdom	47	4.2%
5	Canada	34	3%
6	Netherlands	34	3%
7	Korea, Republic of	33	2.9%
8	France	27	2.4%
9	Japan	22	2%
10	Spain	15	1.3%
11	Bulgaria	11	1%
12	Hong Kong	10	0.9%
13	Turkey	9	0.8%
14	Ukraine	8	0.7%
15	Singapore	7	0.6%
16	Malaysia	7	0.6%
17	Nigeria	7	0.6%
18	Cyprus	7	0.6%
19	Australia	6	0.5%
20	India	6	0.5%
21	Togo	5	0.4%
22	Viet Nam	5	0.4%
23	Finland	4	0.4%
24	Greece	3	0.3%
25	Egypt	3	0.3%
26	Brazil	3	0.3%
27	Philippines	3	0.3%
28	Switzerland	3	0.3%
29	Taiwan	2	0.2%
30	Thailand	2	0.2%
31	Romania	2	0.2%
32	Ireland	2	0.2%
33	Israel	2	0.2%
34	Algeria	2	0.2%
35	Estonia	2	0.2%
36	Denmark	1	0.1%
37	Argentina	1	0.1%
38	Bangladesh	1	0.1%
39	Cambodia	1	0.1%
40	Indonesia	1	0.1%
41	Jordan	1	0.1%
42	Latvia	1	0.1%
43	Norway	1	0.1%
44	Mongolia	1	0.1%
45	New Zealand	1	0.1%
46	Slovakia	1	0.1%
47	United Arab Emirates	1	0.1%