| Regione | Totale interessi passivi | Imponibile addizionale IRES al 10,5% | Imposta addizionale IRES al 10,5% | ||||||
|---|---|---|---|---|---|---|---|---|---|
| Frequenza | Ammontare | Media | Frequenza | Ammontare | Media | Frequenza | Ammontare | Media | |
| Piemonte | 20.103 | 1.688.796 | 84,01 | 26 | 837.277 | 32.202,94 | 26 | 87.914 | 3.381,31 |
| Valle d'Aosta | 728 | 9.705 | 13,33 | 4 | 116.194 | 29.048,57 | 4 | 12.200 | 3.050,10 |
| Lombardia | 82.972 | 5.184.310 | 62,48 | 144 | 3.128.245 | 21.723,92 | 144 | 328.466 | 2.281,01 |
| Liguria | 8.365 | 286.285 | 34,22 | 12 | 100.809 | 8.400,74 | 12 | 10.585 | 882,08 |
| Trentino Alto Adige (P.A. Trento) | 3.642 | 105.566 | 28,99 | 9 | 246.674 | 27.408,18 | 9 | 25.847 | 2.871,94 |
| Trentino Alto Adige (P.A. Bolzano) | 2.630 | 102.237 | 38,87 | 19 | 324.489 | 17.078,38 | 19 | 34.071 | 1.793,23 |
| Veneto | 36.271 | 1.106.210 | 30,50 | 38 | 218.909 | 5.760,75 | 38 | 22.985 | 604,88 |
| Friuli Venezia Giulia | 7.795 | 223.844 | 28,72 | 9 | 44.253 | 4.917,00 | 9 | 4.647 | 516,28 |
| Emilia Romagna | 35.948 | 1.214.124 | 33,77 | 34 | 250.468 | 7.366,71 | 34 | 26.299 | 773,50 |
| Toscana | 31.521 | 798.824 | 25,34 | 18 | 139.076 | 7.726,44 | 18 | 14.603 | 811,28 |
| Umbria | 6.184 | 119.406 | 19,31 | *** | *** | *** | *** | *** | *** |
| Marche | 13.023 | 233.769 | 17,95 | 11 | 73.619 | 6.692,63 | 11 | 7.730 | 702,73 |
| Lazio | 48.934 | 3.730.556 | 76,24 | 77 | 7.678.719 | 99.723,62 | 77 | 806.265 | 10.470,98 |
| Abruzzo | 8.408 | 145.648 | 17,32 | 8 | 184.311 | 23.038,82 | 8 | 19.353 | 2.419,08 |
| Molise | 1.654 | 18.429 | 11,14 | *** | *** | *** | *** | *** | *** |
| Campania | 25.087 | 320.692 | 12,78 | 31 | 110.461 | 3.563,27 | 31 | 11.598 | 374,14 |
| Puglia | 18.868 | 221.404 | 11,73 | 12 | 59.794 | 4.982,83 | 12 | 6.278 | 523,20 |
| Basilicata | 2.578 | 35.634 | 13,82 | *** | *** | *** | *** | *** | *** |
| Calabria | 5.897 | 73.207 | 12,41 | 9 | 28.301 | 3.144,59 | 9 | 2.972 | 330,18 |
| Sicilia | 19.981 | 261.986 | 13,11 | 32 | 430.006 | 13.437,68 | 32 | 45.151 | 1.410,96 |
| Sardegna | 7.809 | 126.680 | 16,22 | 9 | 293.090 | 32.565,52 | 9 | 30.774 | 3.419,38 |
| TOTALE | 388.398 | 16.007.313 | 41,21 | 509 | 14.275.994 | 28.047,14 | 509 | 1.498.926 | 2.944,84 |
