2000

2004

2006

2009

2011

2015

General (With Time Effect Eliminated)

Variable

Coef

P-value

Coef

P-value

Coef

P-value

Coef

P-value

Coef

P-value

Coef

P-value

Coef

P-value

Costal Province

0.173

0.244

0.526

**

0.699

***

0.163

1.008

***

0.162

***

Experience (in Years)

0.076

0.326

***

0.517

***

0.491

***

0.485

***

1.239

***

0.283

***

Experience, Square

−0.024

***

−0.039

***

−0.055

***

−0.049

***

−0.062

***

−0.105

***

−0.015

***

Being a Female

0.012

0.192

0.269

0.144

***

0.559

***

0.537

**

−0.284

***

Health: Excellent or Good

0.478

−0.75

**

0.659

0.73

0.535

***

Health: Fair

0.244

−0.743

*

0.236

0.32

0.371

**

Health: Missing

−0.483

−6.316

***

−5.275

***

−2.051

−1.497

***

Urban

1.724

***

2.298

***

2.685

***

2.801

***

2.109

***

1.528

***

1.887

***

Constant

9.459

***

10.115

***

8.797

***

8.716

***

10.761

***

7.906

***

8.349

***