Rank	Countries/Territories	Count	Percent
1	United States	356	30.3%
2	China	337	28.7%
3	Germany	77	6.5%
4	Ireland	64	5.4%
5	India	62	5.3%
6	France	43	3.7%
7	Netherlands	41	3.5%
8	United Kingdom	17	1.4%
9	Russia	15	1.3%
10	Nigeria	12	1%
11	Korea, Republic of	12	1%
12	Spain	12	1%
13	Botswana	9	0.8%
14	Brazil	9	0.8%
15	Canada	8	0.7%
16	Sweden	8	0.7%
17	Taiwan	7	0.6%
18	South Africa	7	0.6%
19	Ukraine	7	0.6%
20	Japan	7	0.6%
21	Malaysia	5	0.4%
22	Australia	5	0.4%
23	Cyprus	4	0.3%
24	Singapore	4	0.3%
25	Turkey	4	0.3%
26	Yemen	3	0.3%
27	Trinidad and Tobago	3	0.3%
28	Philippines	3	0.3%
29	Poland	3	0.3%
30	Hong Kong	3	0.3%
31	Iraq	3	0.3%
32	Egypt	3	0.3%
33	Denmark	2	0.2%
34	Croatia	2	0.2%
35	Chile	2	0.2%
36	Kenya	2	0.2%
37	Mauritius	2	0.2%
38	Mexico	2	0.2%
39	Romania	2	0.2%
40	Pakistan	2	0.2%
41	United Arab Emirates	1	0.1%
42	Malawi	1	0.1%
43	Norway	1	0.1%
44	Nepal	1	0.1%
45	Argentina	1	0.1%
46	Indonesia	1	0.1%
47	Greece	1	0.1%