Rank	Countries/Territories	Count	Percent
1	United States	689	45.5%
2	China	201	13.3%
3	Germany	155	10.2%
4	India	75	5%
5	Australia	61	4%
6	Canada	51	3.4%
7	Netherlands	33	2.2%
8	France	23	1.5%
9	United Kingdom	18	1.2%
10	Romania	16	1.1%
11	Russia	16	1.1%
12	Ireland	16	1.1%
13	Denmark	15	1%
14	Slovakia	15	1%
15	Cote D'ivoire	12	0.8%
16	Morocco	12	0.8%
17	Korea, Republic of	9	0.6%
18	Japan	8	0.5%
19	Poland	7	0.5%
20	Cyprus	6	0.4%
21		6	0.4%
22	Singapore	6	0.4%
23	Belgium	5	0.3%
24	Bangladesh	4	0.3%
25	Egypt	4	0.3%
26	Hong Kong	4	0.3%
27	South Africa	4	0.3%
28	Spain	4	0.3%
29	Argentina	3	0.2%
30	Brazil	3	0.2%
31	Iran, Islamic Republic of	3	0.2%
32	Greece	2	0.1%
33	Indonesia	2	0.1%
34	Mexico	2	0.1%
35	Hungary	2	0.1%
36	Switzerland	2	0.1%
37	Taiwan	2	0.1%
38	Tanzania, United Republic of	2	0.1%
39	Thailand	2	0.1%
40	Turkey	2	0.1%
41	Serbia	2	0.1%
42	Viet Nam	2	0.1%
43	Turkmenistan	1	0.1%
44	Ghana	1	0.1%
45	Niger	1	0.1%
46	Nigeria	1	0.1%
47	Norway	1	0.1%
48	Philippines	1	0.1%
49	Mauritius	1	0.1%
50	Italy	1	0.1%