Rank	Countries/Territories	Count	Percent
1	United States	510	31.9%
2	China	326	20.4%
3	Germany	76	4.8%
4	India	75	4.7%
5	Australia	49	3.1%
6	Korea, Republic of	44	2.8%
7	Netherlands	44	2.8%
8	France	39	2.4%
9		35	2.2%
10	Peru	29	1.8%
11	Japan	25	1.6%
12	Ireland	25	1.6%
13	Taiwan	22	1.4%
14	Russia	21	1.3%
15	Argentina	21	1.3%
16	Canada	21	1.3%
17	Egypt	18	1.1%
18	Singapore	18	1.1%
19	Indonesia	17	1.1%
20	United Kingdom	13	0.8%
21	Mexico	12	0.8%
22	Hong Kong	12	0.8%
23	Philippines	11	0.7%
24	Thailand	11	0.7%
25	Sweden	8	0.5%
26	Ethiopia	8	0.5%
27	Cyprus	7	0.4%
28	Austria	7	0.4%
29	Kenya	7	0.4%
30	Turkey	7	0.4%
31	Saudi Arabia	6	0.4%
32	Malaysia	5	0.3%
33	Bangladesh	5	0.3%
34	Colombia	4	0.3%
35	Guatemala	4	0.3%
36	Romania	4	0.3%
37	Switzerland	3	0.2%
38	Tanzania, United Republic of	3	0.2%
39	Portugal	3	0.2%
40	Latvia	3	0.2%
41	Brazil	3	0.2%
42	Bulgaria	2	0.1%
43	Croatia	2	0.1%
44	Czech Republic	2	0.1%
45	Hungary	2	0.1%
46	Italy	2	0.1%
47	Iran, Islamic Republic of	2	0.1%
48	Morocco	2	0.1%
49	Nepal	2	0.1%
50	New Zealand	2	0.1%
51	Oman	2	0.1%
52	Pakistan	2	0.1%
53	Viet Nam	2	0.1%
54	Palestine, State of	1	0.1%
55	Mauritius	1	0.1%
56	South Africa	1	0.1%
57	Spain	1	0.1%
58	Sri Lanka	1	0.1%
59	Sudan	1	0.1%
60	Iraq	1	0.1%
61	Greece	1	0.1%
62	Lebanon	1	0.1%
63	Chile	1	0.1%
64	Burkina Faso	1	0.1%
65	Bosnia and Herzegovina	1	0.1%