| Ave. yield | m3/ha | % >20 year | % >40 year | % >60 year | Reg III | Reg IV | Reg V | No. stands | |
| m3/ha | 0.406 0.000 | ||||||||
| % > 20 year | 0.009 0.907 | 0.579 0.000 | |||||||
| % > 40 year | −0.137 0.076 | 0.596 0.000 | 0.662 0.000 | ||||||
| % > 60 year | −0.274 0.000 | 0.499 0.000 | 0.400 0.000 | 0.683 0.000 | |||||
| Reg III | 0.174 0.023 | 0.118 0.124 | 0.082 0.287 | −0.127 0.098 | −0.254 0.001 | ||||
| Reg IV | −0.458 0.000 | −0.195 0.011 | −0.004 0.963 | 0.183 0.017 | 0.275 0.000 | −0.503 0.000 | |||
| Reg V | −0.372 0.000 | −0.231 0.002 | −0.078 0.314 | −0.001 0.987 | 0.048 0.537 | −0.321 0.000 | −0.209 0.006 | ||
| No. stands | −0.114 0.139 | −0.106 0.169 | −0.009 0.911 | −0.004 0.958 | 0.028 0.716 | 0.080 0.300 | 0.068 0.381 | 0.048 0.534 | |
| Prod. area | −0.150 0.051 | −0.136 0.077 | −0.039 0.612 | −0.125 0.105 | 0.024 0.759 | −0.265 0.000 | 0.100 0.196 | 0.224 0.003 | 0.098 0.204 |