| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 251 | 5.570,91 | 22,19 | 2 |
| 2007 | 111 | 2.918,15 | 26,29 | 1 |
| 2008 | 140 | 3.461,71 | 24,73 | 2 |
| 2009 | 117 | 3.024,08 | 25,85 | 2 |
| 2010 | 121 | 2.903,45 | 24,00 | 3 |
| 2011 | 71 | 1.692,41 | 23,84 | 1 |
| 2012 | 256 | 7.022,30 | 27,43 | 4 |
| 2013 | 359 | 7.891,12 | 21,98 | 4 |
| 2014 | 341 | 9.720,11 | 28,50 | 4 |
| 2015 | 363 | 9.897,95 | 27,27 | 4 |
| 2016 | 351 | 9.530,82 | 27,15 | 5 |
| 2017 | 68 | 1.907,76 | 28,06 | 4 |
| 2018 | 328 | 8.748,96 | 26,67 | 5 |
| 2019 | 316 | 8.575,28 | 27,14 | 5 |
| 2020 | 305 | 8.445,26 | 27,69 | 5 |
| 2021 | 332 | 9.422,24 | 28,38 | 4 |
| 2022 | 330 | 9.932,96 | 30,10 | 5 |
| 2023 | 293 | 8.969,93 | 30,61 | 6 |
| 2024 | 284 | 9.367,52 | 32,98 | 6 |
| totale | 4.737 | 129.002,92 | 27,23 | 72 |