Evre I

n = 1000

Evre II

n = 1000

Evre III

n = 1000

Evre IV

n = 1000

Mean

2971.3

4285.4

6091.7

13,438.3

Median

2688.0

3865.3

5451.8

13,645.8

Sd

748.5

1015.4

1565.0

3149.2

%95 Confidence Interval

2920.7 - 3017.8

4222.5 - 4348.4

5241.0 - 6942.4

13,243.0 - 13,633.5