| Anno di imposta | Numero contribuenti | Imposta a debito | Reddito imponibile addizionale | ||
|---|---|---|---|---|---|
| Frequenza | Ammontare | Frequenza | Ammontare | ||
| 2022 | 42.026.960 | 5.161.215 | 10.763.946 | 31.747.690 | 864.380.350 |
| 2021 | 41.497.318 | 5.107.543 | 9.690.707 | 30.678.728 | 809.623.550 |
| 2020 | 41.180.529 | 5.164.153 | 6.710.800 | 29.659.242 | 761.273.514 |
| 2019 | 41.525.982 | 4.887.237 | 7.637.593 | 30.413.175 | 781.249.835 |
| 2018 | 41.372.851 | 5.269.222 | 8.435.222 | 30.395.620 | 775.845.446 |
| 2017 | 41.211.336 | 4.861.369 | 7.328.291 | 29.874.982 | 749.400.676 |
| 2016 | 40.872.080 | 5.248.350 | 7.522.920 | 29.981.739 | 743.901.853 |
| 2015 | 40.770.277 | 5.335.520 | 7.301.703 | 30.064.287 | 738.221.766 |
| 2014 | 40.716.548 | 5.343.513 | 7.073.295 | 29.938.657 | 725.618.386 |
| 2013 | 40.989.567 | 5.804.843 | 7.001.111 | 30.247.762 | 726.929.329 |
| 2012 | 41.414.154 | 5.063.224 | 6.788.101 | 30.438.562 | 724.412.689 |
| 2011 | 41.320.548 | 7.421.567 | 8.113.242 | 30.754.007 | 722.163.965 |
| 2010 | 41.547.228 | 6.750.981 | 7.121.484 | 30.748.507 | 714.616.126 |
| 2009 | 41.523.054 | 7.433.984 | 8.177.485 | 30.858.333 | 706.373.165 |
| 2008 | 41.802.902 | 6.796.498 | 7.419.733 | 30.942.166 | 704.597.578 |
| 2007 | 41.663.466 | 7.368.599 | 9.129.891 | 30.368.485 | 689.474.677 |
