2002

2013

Migrant

Urban

Migrant

Urban

Maximum

4.241

4.504

4.956

6.543

Minimum

−1.253

−1.515

−1.030

−2.092

Mean

0.855

1.516

2.438

2.605

S.D.

0.684

0.721

0.729

0.792

p25

0.397

1.057

2.120

2.189

p50 (Median)

0.803

1.570

2.487

2.654

p75

1.273

1.981

2.849

3.077