Rank	Countries/Territories	Count	Percent
1	United States	317	41.3%
2	China	119	15.5%
3	Germany	59	7.7%
4	Russia	31	4%
5	India	28	3.6%
6	Netherlands	22	2.9%
7	France	20	2.6%
8	United Kingdom	14	1.8%
9	Thailand	12	1.6%
10	Canada	12	1.6%
11	Italy	11	1.4%
12	Brazil	9	1.2%
13	Switzerland	9	1.2%
14	Japan	8	1%
15	Romania	7	0.9%
16	Kazakhstan	6	0.8%
17	Ireland	6	0.8%
18	Korea, Republic of	5	0.7%
19	Belgium	5	0.7%
20	Cyprus	5	0.7%
21	Singapore	5	0.7%
22	Czech Republic	4	0.5%
23	Australia	4	0.5%
24	Costa Rica	4	0.5%
25	Algeria	3	0.4%
26	Argentina	3	0.4%
27	Denmark	3	0.4%
28	Mali	3	0.4%
29	Egypt	3	0.4%
30	Iran, Islamic Republic of	3	0.4%
31	Turkey	3	0.4%
32	Ukraine	2	0.3%
33	United Arab Emirates	2	0.3%
34	Iraq	2	0.3%
35	Norway	2	0.3%
36	Peru	2	0.3%
37	Poland	2	0.3%
38	Ecuador	2	0.3%
39	Gabon	2	0.3%
40	Hong Kong	2	0.3%
41	Pakistan	1	0.1%
42	Mexico	1	0.1%
43	Mongolia	1	0.1%
44	Kenya	1	0.1%
45	South Africa	1	0.1%
46	Sweden	1	0.1%
47	Saudi Arabia	1	0.1%