Rank	Countries/Territories	Count	Percent
1	United States	611	45.5%
2	China	341	25.4%
3	Germany	120	8.9%
4	Russia	48	3.6%
5	Japan	37	2.8%
6	Ukraine	26	1.9%
7	France	25	1.9%
8	Korea, Republic of	24	1.8%
9	Singapore	19	1.4%
10	Indonesia	10	0.7%
11	Cyprus	9	0.7%
12	Taiwan	8	0.6%
13	Viet Nam	6	0.4%
14	Netherlands	6	0.4%
15	Malaysia	5	0.4%
16	Romania	5	0.4%
17	Ireland	5	0.4%
18	Hong Kong	4	0.3%
19	Thailand	4	0.3%
20	Turkey	3	0.2%
21	Mexico	3	0.2%
22	Mongolia	3	0.2%
23	India	3	0.2%
24	Australia	3	0.2%
25	Canada	2	0.1%
26	Denmark	2	0.1%
27	Egypt	2	0.1%
28	Israel	2	0.1%
29	Sweden	2	0.1%
30	South Africa	1	0.1%
31	Paraguay	1	0.1%
32	United Kingdom	1	0.1%
33	Liechtenstein	1	0.1%
34	Luxembourg	1	0.1%
35	Bulgaria	1	0.1%