年份

实际值

最小二乘回归拟合值

非参数回归拟合值

1990

1991

1992

1993

1994

1995

1996

1997

1998

1999

2000

2001

2002

2003

2004

2005

2006

2007

2008

2009

2010

2011

2012

2013

2014

1924.4

2071.4

2260.8

2497.0

2605.7

2733.0

3045.2

3208.2

3279.8

3215.0

3316.0

3496.4

3622.4

4064.4

4784.8

5506.5

6047.3

6575.9

7069.4

7525.6

8290.2

9926.5

11,831.6

13,631.8

14,926.1

1983.003

2085.027

2175.995

2303.323

2532.208

2741.175

2859.104

3049.425

3141.352

3218.373

3492.907

3668.322

3834.161

4209.130

4651.283

5192.502

5796.836

6451.559

7355.828

7484.389

9074.164

10,680.599

11,907.105

13,192.891

14,329.470

1926.697

2076.799

2270.356

2367.835

2616.428

2866.389

2983.190

3124.548

3177.170

3217.191

3361.526

3465.974

3581.844

4016.434

4705.106

5456.097

6030.908

6546.152

7283.484

7308.810

8290.200

9926.654

11,831.503

13,632.139

14,925.703