Rank	Countries/Territories	Count	Percent
1	United States	189	30.8%
2	China	158	25.8%
3	India	40	6.5%
4	Germany	28	4.6%
5	Japan	22	3.6%
6	Netherlands	16	2.6%
7	Canada	8	1.3%
8	United Kingdom	8	1.3%
9	Singapore	8	1.3%
10	Romania	7	1.1%
11	Turkey	7	1.1%
12	Spain	6	1%
13	France	6	1%
14	Australia	5	0.8%
15	Italy	5	0.8%
16	Iraq	5	0.8%
17	Ireland	5	0.8%
18	Sweden	5	0.8%
19	Taiwan	4	0.7%
20	Bulgaria	4	0.7%
21	Cyprus	4	0.7%
22	Ethiopia	3	0.5%
23	Iran, Islamic Republic of	3	0.5%
24	Korea, Republic of	3	0.5%
25	Pakistan	3	0.5%
26	Malaysia	3	0.5%
27	Mauritius	3	0.5%
28	Mexico	3	0.5%
29	Morocco	3	0.5%
30	Tanzania, United Republic of	3	0.5%
31	Tunisia	3	0.5%
32	Poland	3	0.5%
33	Saudi Arabia	3	0.5%
34	Switzerland	2	0.3%
35	Sri Lanka	2	0.3%
36	Thailand	2	0.3%
37	Uganda	2	0.3%
38	Nigeria	2	0.3%
39	Israel	2	0.3%
40	Denmark	2	0.3%
41	Egypt	2	0.3%
42	Colombia	2	0.3%
43	Austria	2	0.3%
44	Brazil	2	0.3%
45	Argentina	2	0.3%
46	Armenia	2	0.3%
47	Algeria	1	0.2%
48	Finland	1	0.2%
49	Greece	1	0.2%
50	Hong Kong	1	0.2%
51	Indonesia	1	0.2%
52	Lithuania	1	0.2%
53	Philippines	1	0.2%
54	Nepal	1	0.2%
55	Ukraine	1	0.2%
56	Viet Nam	1	0.2%
57	Russia	1	0.2%