Rank	Countries/Territories	Count	Percent
1	United States	427	46.7%
2	China	271	29.6%
3	Germany	74	8.1%
4	Japan	24	2.6%
5	France	18	2%
6	Netherlands	17	1.9%
7	United Kingdom	9	1%
8	Ukraine	7	0.8%
9	Taiwan	6	0.7%
10	Cyprus	6	0.7%
11	Italy	5	0.5%
12	Spain	5	0.5%
13	Russia	4	0.4%
14	Singapore	4	0.4%
15	Egypt	4	0.4%
16	Hong Kong	3	0.3%
17	Malaysia	3	0.3%
18	Saudi Arabia	3	0.3%
19	Tajikistan	3	0.3%
20	Uganda	2	0.2%
21	United Arab Emirates	2	0.2%
22	Korea, Republic of	2	0.2%
23	India	2	0.2%
24	Argentina	2	0.2%
25	Australia	1	0.1%
26	Bangladesh	1	0.1%
27	Belarus	1	0.1%
28	Bulgaria	1	0.1%
29	Ethiopia	1	0.1%
30	Mongolia	1	0.1%
31	Viet Nam	1	0.1%
32	Turkey	1	0.1%
33	South Africa	1	0.1%
34	Norway	1	0.1%
35	Pakistan	1	0.1%
36	Poland	1	0.1%