Rank	Countries/Territories	Count	Percent
1	United States	349	30.5%
2	China	311	27.2%
3	Germany	64	5.6%
4	Sri Lanka	47	4.1%
5	India	36	3.1%
6	Japan	32	2.8%
7	France	21	1.8%
8	Russia	19	1.7%
9	Netherlands	15	1.3%
10	Canada	13	1.1%
11	United Kingdom	13	1.1%
12	Switzerland	11	1%
13	Korea, Republic of	11	1%
14	Ethiopia	10	0.9%
15	Brazil	9	0.8%
16	Malaysia	9	0.8%
17	Mexico	9	0.8%
18	Turkey	9	0.8%
19	Spain	9	0.8%
20	Uganda	8	0.7%
21	Italy	8	0.7%
22	Iran, Islamic Republic of	7	0.6%
23	Australia	7	0.6%
24	Romania	7	0.6%
25	Thailand	6	0.5%
26	Argentina	6	0.5%
27	Egypt	6	0.5%
28	Cyprus	5	0.4%
29	Greece	5	0.4%
30	Taiwan	5	0.4%
31	Sweden	5	0.4%
32	Saudi Arabia	4	0.3%
33	Singapore	4	0.3%
34	Pakistan	4	0.3%
35	Syrian Arab Republic	4	0.3%
36	Viet Nam	4	0.3%
37	Ukraine	3	0.3%
38	Philippines	3	0.3%
39	Portugal	3	0.3%
40	Algeria	3	0.3%
41	Brunei Darussalam	2	0.2%
42	Bulgaria	2	0.2%
43	Austria	2	0.2%
44	Bangladesh	2	0.2%
45	Bosnia and Herzegovina	2	0.2%
46	Ecuador	2	0.2%
47	Finland	2	0.2%
48	Hong Kong	2	0.2%
49	Israel	2	0.2%
50	Nepal	2	0.2%
51	Nigeria	2	0.2%
52	Norway	2	0.2%
53	Slovakia	2	0.2%
54	United Arab Emirates	2	0.2%
55	Tanzania, United Republic of	1	0.1%
56	South Africa	1	0.1%
57	Oman	1	0.1%
58	Palestine, State of	1	0.1%
59	Poland	1	0.1%
60	Iraq	1	0.1%
61	Indonesia	1	0.1%
62	Myanmar	1	0.1%
63	New Zealand	1	0.1%
64	Latvia	1	0.1%
65	Kenya	1	0.1%
66	Estonia	1	0.1%