| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 4.547 | 132.053,81 | 29,04 | 19 |
| 2007 | 3.334 | 119.426,44 | 35,82 | 22 |
| 2008 | 3.193 | 104.380,02 | 32,69 | 20 |
| 2009 | 3.712 | 120.176,29 | 32,38 | 23 |
| 2010 | 3.579 | 103.576,90 | 28,94 | 24 |
| 2011 | 10.874 | 291.923,92 | 26,85 | 24 |
| 2012 | 11.289 | 327.105,82 | 28,98 | 27 |
| 2013 | 12.114 | 332.916,72 | 27,48 | 30 |
| 2014 | 12.246 | 423.672,96 | 34,60 | 33 |
| 2015 | 12.768 | 430.891,70 | 33,75 | 33 |
| 2016 | 13.178 | 458.522,79 | 34,79 | 31 |
| 2017 | 13.682 | 471.309,17 | 34,45 | 35 |
| 2018 | 12.476 | 428.323,44 | 34,33 | 38 |
| 2019 | 11.683 | 403.142,91 | 34,51 | 39 |
| 2020 | 4.067 | 167.238,35 | 41,12 | 37 |
| 2021 | 3.868 | 156.136,97 | 40,37 | 39 |
| 2022 | 4.408 | 176.255,04 | 39,99 | 39 |
| 2023 | 4.314 | 174.703,90 | 40,50 | 45 |
| 2024 | 4.343 | 165.282,12 | 38,06 | 51 |
| totale | 149.675 | 4.987.039,27 | 33,32 | 609 |