Last Years

Max D

= D/10

Vi = ln

Yi

Yi^2

2005

48.32

4.832

1.57526

−4

−6.30104

16

2006

58.53

5.853

1.766954

−3

−5.30086

9

2007

58

5.8

1.757858

−2

−3.51572

4

2008

59.3

5.93

1.780024

−1

−1.78002

1

2009

71.02

7.102

1.960376

0

0

0

2010

71.02

7.102

1.960376

1

1.960376

1

2011

76.66

7.666

2.036795

2

4.07359

4

2012

84.04

8.404

2.128708

3

6.386123

9

2013

84.38

8.438

2.132745

4

8.530981

16