Rank	Countries/Territories	Count	Percent
1	United States	690	51.9%
2	China	143	10.8%
3	Ireland	51	3.8%
4	United Kingdom	48	3.6%
5	Japan	40	3%
6	Germany	39	2.9%
7	Netherlands	39	2.9%
8	Australia	32	2.4%
9	Romania	27	2%
10	Singapore	14	1.1%
11	India	14	1.1%
12	Korea, Republic of	13	1%
13	Hong Kong	12	0.9%
14	Canada	12	0.9%
15	France	12	0.9%
16	Thailand	12	0.9%
17	Viet Nam	11	0.8%
18	New Zealand	10	0.8%
19	Turkey	9	0.7%
20	Cyprus	9	0.7%
21	Mexico	8	0.6%
22	Mongolia	8	0.6%
23	Portugal	5	0.4%
24	Bangladesh	5	0.4%
25	Taiwan	4	0.3%
26	Philippines	3	0.2%
27	South Africa	3	0.2%
28	Spain	3	0.2%
29	Egypt	3	0.2%
30	Ethiopia	3	0.2%
31	Finland	2	0.2%
32	Argentina	2	0.2%
33	Cambodia	2	0.2%
34	Lesotho	2	0.2%
35	Hungary	2	0.2%
36	Greece	2	0.2%
37	Sri Lanka	2	0.2%
38	Sweden	2	0.2%
39	Pakistan	2	0.2%
40	Togo	2	0.2%
41	United Arab Emirates	2	0.2%
42	Yemen	1	0.1%
43	Trinidad and Tobago	1	0.1%
44	Ukraine	1	0.1%
45	Slovakia	1	0.1%
46	Peru	1	0.1%
47	Nigeria	1	0.1%
48	Norway	1	0.1%
49	Russia	1	0.1%
50	Saudi Arabia	1	0.1%
51	Serbia	1	0.1%
52	Indonesia	1	0.1%
53	Iran, Islamic Republic of	1	0.1%
54	Italy	1	0.1%
55	Malaysia	1	0.1%
56	Mauritius	1	0.1%
57	Moldova, Republic of	1	0.1%
58	Kuwait	1	0.1%
59	Lebanon	1	0.1%
60	Jordan	1	0.1%
61	Colombia	1	0.1%
62	Barbados	1	0.1%
63	Brazil	1	0.1%
64	Bulgaria	1	0.1%
65	El Salvador	1	0.1%
66	Denmark	1	0.1%