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 |