Coefficient

Std. Error

t-statistic

Prob.

C₁***

−0.856883

0.184870

−4.635057

0.0006

C₂

−0.166393

0.212970

−0.781297

0.4498

C₃

0.000325

0.189936

0.001711

0.9987

C₄**

−0.3418855

0.110513

−2.885220

0.0137

C₅**

−0.280187

0108208

−2.589336

0.0237

C₆

−0.389465

0.483313

−0.805824

0.4363

C₇

−0.737908

0.511490

−1.442663

0.1747

C₈

−0.037669

0.053889

−0.699014

0.4979

C₉

−0.072367

0.051955

−1.392868

0.1889

C₁₀**

0.040586

0.015488

2.620412

0.0224

C₁₁

−0.007376

0.013962

−0.528295

0.6069

C₁₂***

0.215938

0.048422

4.459527

0.0008