| Anno di imposta | Imposta lorda | Totale detrazioni di imposta e altre detrazioni | ||
|---|---|---|---|---|
| Frequenza | Ammontare | Frequenza | Ammontare | |
| 2022 | 39.210.469 | 247.941.280 | 39.464.168 | 79.991.103 |
| 2021 | 38.626.667 | 237.560.046 | 38.916.387 | 73.932.985 |
| 2020 | 38.170.509 | 222.756.700 | 38.595.066 | 71.556.810 |
| 2019 | 38.800.262 | 227.981.930 | 38.905.288 | 70.178.278 |
| 2018 | 38.977.719 | 226.658.853 | 39.010.188 | 69.798.696 |
| 2017 | 38.570.272 | 218.651.669 | 38.753.174 | 68.985.446 |
| 2016 | 38.515.935 | 216.346.644 | 38.409.306 | 67.553.208 |
| 2015 | 38.537.747 | 214.152.686 | 38.406.768 | 66.069.976 |
| 2014 | 38.541.196 | 210.141.840 | 38.428.331 | 66.150.803 |
| 2013 | 38.732.142 | 209.525.072 | 38.691.189 | 64.406.485 |
| 2012 | 38.832.732 | 208.174.885 | 39.129.023 | 62.984.526 |
| 2011 | 39.334.446 | 208.215.753 | 38.800.790 | 62.112.973 |
| 2010 | 39.077.536 | 205.612.576 | 39.087.686 | 62.482.056 |
| 2009 | 39.023.235 | 202.615.700 | 39.058.086 | 62.311.162 |
| 2008 | 39.308.786 | 202.516.531 | 39.423.594 | 62.917.813 |
| 2007 | 37.527.589 | 196.368.819 | 37.327.500 | 57.422.475 |
