Yea

Variable

Coefficient

Std. Error

z-value

Probability

2009

CONSTANT

111.945

8.384583

13.35129

0.0000000

N

0.6533547

0.1883389

3.469036

0.0005224

N*N

−0.002522847

0.001113112

−2.26648

0.0234219

LAMBDA

0.4996764

0.1757293

2.843444

0.0044630

2010

CONSTAT

77.02386

5.173978

14.88678

0.0000000

N

0.3346311

0.1363396

2.454393

0.0141123

N*N

−0.001784412

0.0007971619

−2.238456

0.0251913

LAMBDA

0.343574

0.1352886

2.539564

0.0110991

2011

CONSTANT

66.80268

6.4063

10.42765

0.0000000

N

0.2812453

0.1199682

2.344331

0.0190612

N*N

−0.0008253423

0.0006874219

−1.200634

0.2298932

LAMBDA

0.6661434

0.09001163

7.400636

0.0000000