Rank	Countries/Territories	Count	Percent
1	United States	449	33.3%
2	China	381	28.2%
3	Russia	82	6.1%
4	Germany	81	6%
5	Netherlands	48	3.6%
6	Japan	37	2.7%
7	Australia	30	2.2%
8	Canada	23	1.7%
9	Korea, Republic of	21	1.6%
10	Portugal	19	1.4%
11	United Kingdom	19	1.4%
12	Poland	18	1.3%
13	France	16	1.2%
14	India	11	0.8%
15	Taiwan	11	0.8%
16	Switzerland	10	0.7%
17	Ireland	8	0.6%
18	Norway	8	0.6%
19	Mexico	7	0.5%
20	Kazakhstan	7	0.5%
21	Hong Kong	7	0.5%
22	Brazil	6	0.4%
23	Bangladesh	5	0.4%
24	Cyprus	5	0.4%
25	Turkey	5	0.4%
26	Belgium	4	0.3%
27	Denmark	3	0.2%
28	Malaysia	3	0.2%
29	Israel	3	0.2%
30	Singapore	3	0.2%
31	South Africa	3	0.2%
32	Pakistan	2	0.1%
33	Iran, Islamic Republic of	2	0.1%
34	Belarus	2	0.1%
35	Ukraine	2	0.1%
36	Zambia	1	0.1%
37	Argentina	1	0.1%
38	Armenia	1	0.1%
39	Cambodia	1	0.1%
40	Egypt	1	0.1%
41	Georgia	1	0.1%
42	Italy	1	0.1%
43	Moldova, Republic of	1	0.1%