Year

2002

2003

2004

2005

2006

2007

2008

Actual value

13,842

17,003

18,402

22,572

26,555

31,680

43,508

Model value

11,534.8

14,138.2

17,329.4

21,240.8

26,035.0

31,911.3

39,114.0

Error value

0.1667

0.1685

0.0583

0.0590

0.0196

−0.0073

0.1010

Year

2009

2010

2011

2012

2013

2014

2010

Actual value

50,236

57,296

77,955

92,305

123,336

138,111

57,296

Model value

47,942.4

58,763.4

72,026.8

88,283.9

108,210.4

132,634.4

58,763.4

Error value

0.0457

−0.0256

0.0760

0.0436

0.1226

0.0397

−0.0256