Rank	Countries/Territories	Count	Percent
1	United States	486	31.1%
2	China	482	30.8%
3	Russia	94	6%
4	Germany	89	5.7%
5	Netherlands	48	3.1%
6	Japan	41	2.6%
7	France	38	2.4%
8	Australia	32	2%
9	Canada	30	1.9%
10	Korea, Republic of	24	1.5%
11	United Kingdom	21	1.3%
12	Portugal	19	1.2%
13	Poland	18	1.2%
14	Taiwan	13	0.8%
15	India	11	0.7%
16	Ireland	10	0.6%
17	Switzerland	10	0.6%
18	Norway	8	0.5%
19	Hong Kong	8	0.5%
20	Cyprus	8	0.5%
21	Brazil	7	0.4%
22	Mexico	7	0.4%
23	Kazakhstan	7	0.4%
24	Bangladesh	5	0.3%
25	Turkey	5	0.3%
26	Belgium	4	0.3%
27	Denmark	3	0.2%
28	Egypt	3	0.2%
29	Malaysia	3	0.2%
30	Israel	3	0.2%
31	Ukraine	3	0.2%
32	Singapore	3	0.2%
33	South Africa	3	0.2%
34	Sweden	2	0.1%
35	Iran, Islamic Republic of	2	0.1%
36	Pakistan	2	0.1%
37	Philippines	2	0.1%
38	Belarus	2	0.1%
39	Argentina	1	0.1%
40	Armenia	1	0.1%
41	Cambodia	1	0.1%
42	Georgia	1	0.1%
43	Moldova, Republic of	1	0.1%
44	Italy	1	0.1%
45	Viet Nam	1	0.1%
46	Zambia	1	0.1%