02:5102:51, 3 April 2007diffhist+178
N
File:Satisfaction3.jpg
All graphs created using National Centre for Education Statistic's Create a Graph available at http://nces.ed.gov/nceskids/createagraph/
02:5002:50, 3 April 2007diffhist+178
N
File:Satisfaction2.jpg
All graphs created using National Centre for Education Statistic's Create a Graph available at http://nces.ed.gov/nceskids/createagraph/
02:5002:50, 3 April 2007diffhist+178
N
File:Satisfaction1.jpg
All graphs created using National Centre for Education Statistic's Create a Graph available at http://nces.ed.gov/nceskids/createagraph/