Rank	Countries/Territories	Count	Percent
1	United States	611	41.4%
2	Germany	207	14%
3	China	178	12.1%
4	Russia	101	6.8%
5	Netherlands	50	3.4%
6	Canada	46	3.1%
7	Korea, Republic of	42	2.8%
8	France	41	2.8%
9	Bulgaria	19	1.3%
10	Japan	15	1%
11	Turkey	14	0.9%
12	United Kingdom	13	0.9%
13	India	13	0.9%
14	Australia	11	0.7%
15	Mauritius	9	0.6%
16	Nigeria	8	0.5%
17	Singapore	8	0.5%
18	South Africa	7	0.5%
19	Morocco	6	0.4%
20	Latvia	6	0.4%
21	Ireland	6	0.4%
22	Italy	6	0.4%
23	Finland	5	0.3%
24	Cyprus	4	0.3%
25	Spain	4	0.3%
26	Ukraine	4	0.3%
27	Portugal	4	0.3%
28	Taiwan	4	0.3%
29	Thailand	4	0.3%
30	Sweden	3	0.2%
31	Burkina Faso	3	0.2%
32	Bangladesh	3	0.2%
33	Austria	2	0.1%
34	Hungary	2	0.1%
35	Philippines	2	0.1%
36	United Arab Emirates	2	0.1%
37	Uganda	2	0.1%
38	Romania	1	0.1%
39	Norway	1	0.1%
40	Kenya	1	0.1%
41	Lithuania	1	0.1%
42	Mongolia	1	0.1%
43	Greece	1	0.1%
44	Guatemala	1	0.1%
45	Hong Kong	1	0.1%
46	Belgium	1	0.1%
47	Brazil	1	0.1%