Rank	Countries/Territories	Count	Percent
1	United States	331	39.8%
2	China	194	23.3%
3	Netherlands	45	5.4%
4	Germany	35	4.2%
5	Kazakhstan	33	4%
6	India	28	3.4%
7	Australia	20	2.4%
8	United Kingdom	18	2.2%
9	Canada	15	1.8%
10	France	11	1.3%
11	Ireland	9	1.1%
12	Japan	9	1.1%
13	Belgium	8	1%
14	Russia	8	1%
15	Korea, Republic of	7	0.8%
16	Egypt	5	0.6%
17	Italy	5	0.6%
18	Cyprus	4	0.5%
19	Norway	4	0.5%
20	Switzerland	4	0.5%
21	Turkey	3	0.4%
22	Ukraine	3	0.4%
23	Spain	3	0.4%
24	Singapore	3	0.4%
25	Portugal	3	0.4%
26	Philippines	2	0.2%
27	South Africa	2	0.2%
28	New Zealand	2	0.2%
29	Denmark	2	0.2%
30	Brazil	2	0.2%
31	Iran, Islamic Republic of	2	0.2%
32	Hong Kong	2	0.2%
33	Indonesia	1	0.1%
34	Chile	1	0.1%
35	Pakistan	1	0.1%
36	Lithuania	1	0.1%
37	Malaysia	1	0.1%
38	Malta	1	0.1%
39	Saudi Arabia	1	0.1%
40	Poland	1	0.1%
41	Romania	1	0.1%
42	Taiwan	1	0.1%