Rank	Countries/Territories	Count	Percent
1	United States	276	33.2%
2	China	220	26.4%
3	Germany	58	7%
4	Russia	58	7%
5	Netherlands	42	5%
6	Japan	26	3.1%
7	Poland	18	2.2%
8	Canada	18	2.2%
9	United Kingdom	17	2%
10	Portugal	15	1.8%
11	France	9	1.1%
12	India	9	1.1%
13	Ireland	8	1%
14	Kazakhstan	7	0.8%
15	Mexico	4	0.5%
16	Turkey	4	0.5%
17	Australia	4	0.5%
18	Belgium	3	0.4%
19	Brazil	3	0.4%
20	Israel	3	0.4%
21	Hong Kong	3	0.4%
22	Denmark	3	0.4%
23	Taiwan	3	0.4%
24	Korea, Republic of	3	0.4%
25	Pakistan	2	0.2%
26	Singapore	2	0.2%
27	Switzerland	2	0.2%
28	Bangladesh	2	0.2%
29	Belarus	2	0.2%
30	Cyprus	2	0.2%
31	Armenia	1	0.1%
32	Egypt	1	0.1%
33	Iran, Islamic Republic of	1	0.1%
34	Ukraine	1	0.1%
35	Malaysia	1	0.1%
36	Zambia	1	0.1%