| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 230 | 3.347,66 | 14,56 | 3 |
| 2007 | 206 | 3.705,82 | 17,99 | 2 |
| 2008 | 260 | 4.736,36 | 18,22 | 3 |
| 2009 | 327 | 5.800,21 | 17,74 | 5 |
| 2010 | 350 | 5.607,49 | 16,02 | 4 |
| 2011 | 371 | 5.988,98 | 16,14 | 3 |
| 2012 | 329 | 5.973,03 | 18,16 | 6 |
| 2013 | 309 | 4.840,72 | 15,67 | 6 |
| 2014 | 333 | 6.287,93 | 18,88 | 5 |
| 2015 | 269 | 4.793,48 | 17,82 | 3 |
| 2016 | 275 | 4.920,88 | 17,89 | 3 |
| 2017 | 259 | 4.584,64 | 17,70 | 5 |
| 2018 | 235 | 4.265,86 | 18,15 | 5 |
| 2019 | 202 | 3.804,56 | 18,83 | 4 |
| 2020 | 200 | 4.482,88 | 22,41 | 4 |
| 2021 | 147 | 3.127,63 | 21,28 | 4 |
| 2022 | 117 | 2.311,25 | 19,75 | 4 |
| 2023 | 82 | 1.251,83 | 15,27 | 3 |
| 2024 | 83 | 1.494,31 | 18,00 | 3 |
| totale | 4.584 | 81.325,52 | 17,74 | 75 |