Rank	Countries/Territories	Count	Percent
1	United States	184	28.7%
2	China	144	22.4%
3	Germany	36	5.6%
4	Sri Lanka	29	4.5%
5	Japan	23	3.6%
6	India	21	3.3%
7	Russia	15	2.3%
8	Netherlands	13	2%
9	France	13	2%
10	Switzerland	11	1.7%
11	Canada	10	1.6%
12	Ethiopia	10	1.6%
13	Malaysia	9	1.4%
14	Spain	8	1.2%
15	Romania	6	0.9%
16	Uganda	6	0.9%
17	United Kingdom	6	0.9%
18	Mexico	6	0.9%
19	Korea, Republic of	5	0.8%
20	Iran, Islamic Republic of	5	0.8%
21	Egypt	5	0.8%
22	Thailand	5	0.8%
23	Syrian Arab Republic	4	0.6%
24	Taiwan	4	0.6%
25	Singapore	3	0.5%
26	Sweden	3	0.5%
27	Algeria	3	0.5%
28	Argentina	3	0.5%
29	Australia	3	0.5%
30	Brazil	3	0.5%
31	Greece	3	0.5%
32	Italy	3	0.5%
33	Portugal	3	0.5%
34	Nepal	2	0.3%
35	Norway	2	0.3%
36	Philippines	2	0.3%
37	Hong Kong	2	0.3%
38	Israel	2	0.3%
39	Brunei Darussalam	2	0.3%
40	Bulgaria	2	0.3%
41	Cyprus	2	0.3%
42	Ecuador	2	0.3%
43	Turkey	2	0.3%
44	Ukraine	2	0.3%
45	United Arab Emirates	2	0.3%
46	Slovakia	2	0.3%
47	Tanzania, United Republic of	1	0.2%
48	Viet Nam	1	0.2%
49	Estonia	1	0.2%
50	Iraq	1	0.2%
51	Poland	1	0.2%
52	Oman	1	0.2%
53	Saudi Arabia	1	0.2%
54	Kenya	1	0.2%
55	Myanmar	1	0.2%
56	New Zealand	1	0.2%
57	Nigeria	1	0.2%