The pie chart shows the percentage of customer service between 2005 to 2010.
Overall, what stands out from the pie chart is that the greatest percentage of customer service was satisfactory. Another interesting point is that the biggest change relating to excellent, which rose dramatically over the decade.
If we look at 2005, satisfactory was the most popular equipment at 45%, followed by poor with 21%. Finally, slightly more very poor were in use than good with the former being at 15% and the latter 14%.
Regarding the changes in 2010,good accounted for the highest percentage of 39%. Excellent were slightly more popular than satisfactory with figures of 28% and 17% respectively.Finally,both poor and very poor dropped considerebly from 12% and from 14%.
