| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 177 | 2.482,38 | 14,02 | 1 |
| 2007 | 324 | 10.515,97 | 32,46 | 1 |
| 2008 | 352 | 14.823,49 | 42,11 | 1 |
| 2009 | 536 | 16.803,92 | 31,35 | 2 |
| 2010 | 756 | 20.254,07 | 26,79 | 3 |
| 2011 | 757 | 18.368,90 | 24,27 | 3 |
| 2012 | 970 | 22.188,09 | 22,87 | 4 |
| 2013 | 866 | 18.326,96 | 21,16 | 4 |
| 2014 | 653 | 19.484,40 | 29,84 | 3 |
| 2015 | 658 | 19.938,82 | 30,30 | 3 |
| 2016 | 830 | 23.963,63 | 28,87 | 4 |
| 2017 | 728 | 20.893,13 | 28,70 | 4 |
| 2018 | 507 | 15.355,36 | 30,29 | 4 |
| 2019 | 554 | 15.700,25 | 28,34 | 4 |
| 2020 | 566 | 17.692,14 | 31,26 | 5 |
| 2021 | 560 | 18.392,40 | 32,84 | 5 |
| 2022 | 603 | 19.353,92 | 32,10 | 5 |
| 2023 | 553 | 20.097,31 | 36,34 | 6 |
| 2024 | 546 | 25.040,34 | 45,86 | 6 |
| totale | 11.496 | 339.675,48 | 29,55 | 68 |