Year

actual values

Predicted value

Error rate

Year

actual values

Predicted value

Error rate

1987

31.59754

32.37

2.5%

2001

621.745

659.84

6.1%

1988

42.94045

46.54

8.4%

2002

720.149

761.13

5.7%

1989

50.97043

58.51

14.8%

2003

858.3161

879.29

2.4%

1990

67.53705

76.82

13.7%

2004

1006.734

1024.04

1.7%

1991

91.84889

100.21

9.1%

2005

1158.483

1165.73

0.6%

1992

122.3428

128.05

4.7%

2006

1350.387

1323.97

−2.0%

1993

160.1577

156.52

−2.3%

2007

1550.732

1513.94

−2.4%

1994

209.6906

197.60

−5.8%

2008

1738.601

1702.90

−2.1%

1995

259.6242

239.83

−7.6%

2009

1923.792

1895.16

−1.5%

1996

304.2476

285.93

−6.0%

2010

2157.829

2132.99

−1.2%

1997

355.5165

343.00

−3.5%

2011

2374.67

2371.38

−0.1%

1998

409.6683

410.13

0.1%

2012

2611.22

2603.62

−0.3%

1999

470.0571

476.05

1.3%

2013

2885.398

2891.08

0.2%

2000

543.7369

561.13

3.2%

2014

3139.31

3198.46

1.9%