S/N

Year

Value(x)

(x-x)

X

1

2003

26.49167

0.29582

26.19585

2

2004

26.51667

0.32082

26.19585

3

2005

26.61667

0.42082

26.19585

4

2006

26.84545

0.649608

26.19585

5

2007

26.61667

0.42082

26.19585

6

2008

26.375

0.179153

26.19585

7

2009

26.6

0.404153

26.19585

8

2010

26.77273

0.57688

26.19585

9

2011

26.59

0.39415

26.19585

10

2012

28

1.80415

26.19585