| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 366 | 5.578,55 | 15,24 | 2 |
| 2007 | 61 | 1.660,33 | 27,22 | 1 |
| 2008 | 112 | 3.270,89 | 29,20 | 2 |
| 2009 | 164 | 4.248,49 | 25,91 | 3 |
| 2010 | 357 | 8.886,62 | 24,89 | 4 |
| 2011 | 184 | 4.836,99 | 26,29 | 3 |
| 2012 | 355 | 7.111,21 | 20,03 | 3 |
| 2013 | 501 | 7.766,26 | 15,50 | 3 |
| 2014 | 508 | 9.298,34 | 18,30 | 4 |
| 2015 | 473 | 9.881,16 | 20,89 | 5 |
| 2016 | 521 | 10.765,59 | 20,66 | 5 |
| 2017 | 597 | 13.025,75 | 21,82 | 5 |
| 2018 | 546 | 12.420,03 | 22,75 | 6 |
| 2019 | 582 | 13.474,89 | 23,15 | 6 |
| 2020 | 551 | 14.286,70 | 25,93 | 6 |
| 2021 | 537 | 14.018,74 | 26,11 | 6 |
| 2022 | 580 | 14.704,22 | 25,35 | 6 |
| 2023 | 666 | 16.354,28 | 24,56 | 7 |
| 2024 | 619 | 15.029,79 | 24,28 | 9 |
| totale | 8.280 | 186.618,83 | 22,54 | 86 |