Polynomial model:
Parameter
β₀	−22.235	31.681	24.508
β₁	0.461	0.189	−0.631
β₂	19.903	−89.292	19.397
β₃	2.833	−0.030	−4.791
β₄	−0.188	−0.044	0.117
β₅	−0.003	−0.002	−0.004
β₆	−2.854	0.744	3.687
β₇	−0.005	−0.002	0.008
β₈	2.613	50.122	−33.136
β₉	−0.007	−0.045	0.143