年份

实际值

拟合值

相对误差绝对值(%)

1999

0.0000

2000

0.0198

0.01231

37.83

2001

0.0463

0.05489

18.55

2002

0.0897

0.10948

22.05

2003

0.1747

0.20247

15.90

2004

0.2774

0.30171

8.76

2005

0.3735

0.37261

0.24

2006

0.4511

0.43813

2.88

2007

0.5283

0.49679

5.96

2008

0.5567

0.56301

1.13

2009

0.6046

0.59703

1.25

2010

0.6805

0.70025

2.90

2011

0.7621

0.77657

1.90

2012

0.8087

0.81702

1.03

2013

0.8544

0.84275

1.36

2014

0.8819

0.87071

1.27

2015

0.8946

0.87202

2.52

2016

0.9129

0.90632

0.72

2017

0.9536

0.97361

2.10

2018

1.0000

0.99962

0.04