Rank	Countries/Territories	Count	Percent
1	United States	575	38.2%
2	China	353	23.5%
3	Germany	134	8.9%
4	United Kingdom	109	7.2%
5	Russia	33	2.2%
6	Netherlands	26	1.7%
7	Italy	25	1.7%
8	Japan	23	1.5%
9	Poland	20	1.3%
10	Greece	19	1.3%
11	France	19	1.3%
12	Saudi Arabia	17	1.1%
13	India	14	0.9%
14	Switzerland	14	0.9%
15	Ireland	12	0.8%
16	Singapore	11	0.7%
17	Uruguay	11	0.7%
18	Serbia	10	0.7%
19	Australia	9	0.6%
20	Bangladesh	8	0.5%
21	Canada	8	0.5%
22	Lebanon	8	0.5%
23	Cyprus	7	0.5%
24	Israel	4	0.3%
25	Belgium	4	0.3%
26	Pakistan	4	0.3%
27	South Africa	3	0.2%
28	Cambodia	3	0.2%
29	Austria	2	0.1%
30	Spain	2	0.1%
31	Sweden	2	0.1%
32	Mexico	2	0.1%
33	Ukraine	2	0.1%
34	United Arab Emirates	2	0.1%
35	Mongolia	1	0.1%
36	Malaysia	1	0.1%
37	Mauritius	1	0.1%
38	Romania	1	0.1%
39	Brazil	1	0.1%
40	Colombia	1	0.1%
41	Denmark	1	0.1%
42	Indonesia	1	0.1%
43	Iran, Islamic Republic of	1	0.1%