| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 10.616 | 265.979,34 | 25,05 | 6 |
| 2007 | 9.494 | 274.060,06 | 28,87 | 3 |
| 2008 | 10.943 | 326.862,02 | 29,87 | 5 |
| 2009 | 10.704 | 309.278,44 | 28,89 | 7 |
| 2010 | 10.934 | 272.794,75 | 24,95 | 8 |
| 2011 | 13.323 | 308.861,29 | 23,18 | 5 |
| 2012 | 11.783 | 292.116,45 | 24,79 | 6 |
| 2013 | 11.306 | 256.585,62 | 22,69 | 6 |
| 2014 | 10.593 | 294.881,69 | 27,84 | 5 |
| 2015 | 9.854 | 268.897,43 | 27,29 | 6 |
| 2016 | 9.436 | 263.937,85 | 27,97 | 5 |
| 2017 | 8.324 | 236.678,40 | 28,43 | 5 |
| 2018 | 6.756 | 196.098,88 | 29,03 | 6 |
| 2019 | 6.816 | 192.873,95 | 28,30 | 6 |
| 2020 | 5.452 | 175.245,62 | 32,14 | 6 |
| 2021 | 5.254 | 160.798,15 | 30,60 | 6 |
| 2022 | 4.931 | 158.138,56 | 32,07 | 5 |
| 2023 | 4.466 | 140.068,36 | 31,36 | 7 |
| 2024 | 4.542 | 133.444,71 | 29,38 | 8 |
| totale | 165.527 | 4.527.601,57 | 27,35 | 111 |