Rank	Countries/Territories	Count	Percent
1	United States	558	38%
2	China	350	23.9%
3	Germany	125	8.5%
4	United Kingdom	109	7.4%
5	Russia	32	2.2%
6	Italy	25	1.7%
7	Netherlands	25	1.7%
8	Japan	23	1.6%
9	Poland	20	1.4%
10	Greece	19	1.3%
11	France	18	1.2%
12	Saudi Arabia	17	1.2%
13	India	14	1%
14	Switzerland	14	1%
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	Lebanon	8	0.5%
22	Cyprus	7	0.5%
23	Canada	6	0.4%
24	Israel	4	0.3%
25	Belgium	4	0.3%
26	Pakistan	4	0.3%
27	South Africa	3	0.2%
28	Spain	2	0.1%
29	Sweden	2	0.1%
30	Mexico	2	0.1%
31	Austria	2	0.1%
32	Ukraine	2	0.1%
33	United Arab Emirates	2	0.1%
34	Brazil	1	0.1%
35	Denmark	1	0.1%
36	Colombia	1	0.1%
37	Indonesia	1	0.1%
38	Iran, Islamic Republic of	1	0.1%
39	Mongolia	1	0.1%
40	Malaysia	1	0.1%
41	Mauritius	1	0.1%
42	Romania	1	0.1%