Rank	Countries/Territories	Count	Percent
1	United States	439	36%
2	China	307	25.2%
3	Germany	113	9.3%
4	Netherlands	48	3.9%
5	Australia	36	3%
6	Ireland	33	2.7%
7	India	29	2.4%
8	Singapore	21	1.7%
9	Japan	15	1.2%
10	Canada	15	1.2%
11	Nigeria	13	1.1%
12	United Kingdom	13	1.1%
13	Russia	10	0.8%
14	Iran, Islamic Republic of	10	0.8%
15	France	10	0.8%
16	Romania	9	0.7%
17	Spain	9	0.7%
18	Ukraine	8	0.7%
19	Mexico	8	0.7%
20	Cyprus	8	0.7%
21	Norway	7	0.6%
22	Egypt	6	0.5%
23	Belgium	6	0.5%
24	Ethiopia	3	0.2%
25	Italy	3	0.2%
26	Korea, Republic of	3	0.2%
27	Mauritius	3	0.2%
28	Turkey	3	0.2%
29	Sweden	3	0.2%
30	Thailand	2	0.2%
31	United Arab Emirates	2	0.2%
32	Israel	2	0.2%
33	Saudi Arabia	2	0.2%
34	Bosnia and Herzegovina	2	0.2%
35	Azerbaijan	2	0.2%
36	Bangladesh	2	0.2%
37	Albania	1	0.1%
38	Argentina	1	0.1%
39	Brazil	1	0.1%
40	Bulgaria	1	0.1%
41	Finland	1	0.1%
42	Czech Republic	1	0.1%
43	Hong Kong	1	0.1%
44	Pakistan	1	0.1%
45	Peru	1	0.1%
46	Poland	1	0.1%
47	Mongolia	1	0.1%
48	Slovenia	1	0.1%
49	South Africa	1	0.1%
50	Viet Nam	1	0.1%