Rank	Countries/Territories	Count	Percent
1	United States	405	35.1%
2	China	402	34.8%
3	Germany	128	11.1%
4	Japan	35	3%
5	India	28	2.4%
6	Russia	22	1.9%
7	Korea, Republic of	13	1.1%
8	France	12	1%
9	Singapore	11	1%
10	Netherlands	10	0.9%
11	Australia	9	0.8%
12	Canada	8	0.7%
13	Senegal	8	0.7%
14	Sweden	7	0.6%
15	Italy	7	0.6%
16	Cyprus	7	0.6%
17	Belarus	5	0.4%
18	Indonesia	5	0.4%
19	United Kingdom	5	0.4%
20	Israel	4	0.3%
21	South Africa	3	0.3%
22	Pakistan	2	0.2%
23	Latvia	2	0.2%
24	Hong Kong	2	0.2%
25	Iran, Islamic Republic of	2	0.2%
26	Ireland	2	0.2%
27	Bulgaria	2	0.2%
28	Denmark	2	0.2%
29	Egypt	1	0.1%
30	Argentina	1	0.1%
31	Lithuania	1	0.1%
32	Mongolia	1	0.1%
33	Oman	1	0.1%
34	Taiwan	1	0.1%
35	Viet Nam	1	0.1%