Rank	Countries/Territories	Count	Percent
1	United States	447	32.4%
2	China	321	23.3%
3	Germany	147	10.7%
4	Russia	79	5.7%
5		76	5.5%
6	Netherlands	67	4.9%
7	South Africa	34	2.5%
8	Canada	29	2.1%
9	Australia	16	1.2%
10	Japan	16	1.2%
11	Bulgaria	15	1.1%
12	Singapore	14	1%
13	France	12	0.9%
14	Korea, Republic of	9	0.7%
15	India	8	0.6%
16	Thailand	8	0.6%
17	Brazil	7	0.5%
18	Nigeria	7	0.5%
19	Mauritius	6	0.4%
20	Ukraine	6	0.4%
21	Turkey	4	0.3%
22	Ireland	4	0.3%
23	Argentina	4	0.3%
24	Mexico	3	0.2%
25	Latvia	3	0.2%
26	Lithuania	3	0.2%
27	Myanmar	3	0.2%
28	Spain	3	0.2%
29	Saudi Arabia	3	0.2%
30	Portugal	3	0.2%
31	United Kingdom	3	0.2%
32	Switzerland	2	0.1%
33	Mongolia	2	0.1%
34	Poland	2	0.1%
35	Colombia	2	0.1%
36	Cyprus	2	0.1%
37	Denmark	2	0.1%
38	Hong Kong	2	0.1%
39	Italy	1	0.1%
40	Bangladesh	1	0.1%
41	Qatar	1	0.1%
42	Uganda	1	0.1%