| Variable | Standardized value by cluster | Fisher-Snedecor F | |||
| 1 | 2 | 3 | 4 | ||
| 1862-1899 | 1900-1930 | 1931-1970 | 1971-2009 | ||
| FO% | −0.76 | −0.83 | −0.04 | 1.44 | 259 |
| FOP | 1.47 | 0.08 | −0.65 | −0.83 | 285 |
| GRO | 0.36 | 0.46 | 0.39 | −1.12 | 39 |
| POP | −1.33 | −0.47 | 0.47 | 1.20 | 817 |
| PAR | −0.65 | −0.59 | −0.01 | 1.11 | 50 |
| RAI | −0.80 | 1.09 | 0.51 | −0.61 | 68 |
| URB | −0.84 | −0.74 | −0.09 | 1.51 | 444 |
| SEX | 1.34 | 0.51 | −0.64 | −1.06 | 628 |
| BIR | 1.26 | 0.53 | −0.36 | −1.27 | 682 |
| DEA | 1.38 | 0.39 | −0.70 | −0.94 | 397 |
| MIG | −0.33 | −0.50 | −0.21 | 0.93 | 23 |
| NAT | 0.24 | −0.23 | −0.71 | 0.67 | 19 |
| STI | 0.39 | 1.16 | 0.12 | −1.43 | 313 |
| BRI | 1.02 | 0.10 | 0.18 | −1.26 | 111 |
| MAR | 0.30 | 0.31 | 0.38 | −0.93 | 22 |
| SPO | 0.24 | −0.25 | −0.40 | 0.38 | 6 |
| AGE | −1.32 | −0.29 | 0.39 | 1.12 | 262 |
| MED | −0.97 | −0.80 | 0.32 | 1.26 | 228 |
| DE0 | 1.23 | 0.61 | −0.43 | −1.25 | 720 |
| TER | −0.72 | −0.67 | −0.31 | 1.55 | 386 |
| GRA | −0.88 | −0.74 | −0.05 | 1.50 | 552 |
| SCI | 0.29 | 0.73 | −0.77 | −0.07 | 20 |
| MED | 1.33 | 0.24 | −0.53 | −0.95 | 175 |
| AGR | 0.02 | 1.11 | −0.50 | −0.39 | 28 |
| ECO | −1.27 | −0.49 | 0.70 | 0.91 | 216 |
| LAW | 1.17 | 0.59 | −0.74 | −0.85 | 159 |
| WHP | −1.18 | −0.61 | 0.68 | 0.93 | 191 |
| RYE | 0.54 | 0.89 | 0.24 | −1.48 | 251 |
| BAR | −0.53 | −0.59 | −0.50 | 1.50 | 202 |
| OAT | −0.97 | 0.54 | 0.92 | −0.42 | 66 |
| RIC | −1.01 | −0.39 | −0.08 | 1.38 | 194 |
| MAI | −0.72 | −0.54 | −0.34 | 1.48 | 198 |