Rank	Countries/Territories	Count	Percent
1	United States	599	30.8%
2	China	493	25.4%
3	Russia	408	21%
4	Germany	192	9.9%
5	Japan	46	2.4%
6	France	27	1.4%
7	Poland	25	1.3%
8	India	22	1.1%
9	Singapore	15	0.8%
10	Ukraine	13	0.7%
11	Netherlands	11	0.6%
12	Australia	11	0.6%
13	Cyprus	9	0.5%
14	Korea, Republic of	8	0.4%
15	Colombia	7	0.4%
16	Venezuela, Bolivarian Republic of	7	0.4%
17	Hong Kong	5	0.3%
18	Ireland	4	0.2%
19	Canada	4	0.2%
20	Mexico	4	0.2%
21	Lithuania	3	0.2%
22	Peru	3	0.2%
23	Romania	2	0.1%
24	Jordan	2	0.1%
25	Chile	2	0.1%
26	Bangladesh	2	0.1%
27	Argentina	2	0.1%
28	Iran, Islamic Republic of	2	0.1%
29	Taiwan	2	0.1%
30	Thailand	2	0.1%
31	Tunisia	2	0.1%
32	United Kingdom	1	0.1%
33	Viet Nam	1	0.1%
34	Italy	1	0.1%
35	Greece	1	0.1%
36	Costa Rica	1	0.1%
37	Latvia	1	0.1%
38	Mongolia	1	0.1%
39	Norway	1	0.1%
40	Spain	1	0.1%
41	Serbia	1	0.1%