| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 91 | 2.476,26 | 27,21 | 1 |
| 2007 | 209 | 5.533,12 | 26,47 | 1 |
| 2008 | 228 | 5.509,46 | 24,16 | 1 |
| 2009 | 165 | 5.391,76 | 32,68 | 4 |
| 2010 | 375 | 6.924,85 | 18,47 | 5 |
| 2011 | 262 | 4.909,00 | 18,74 | 4 |
| 2012 | 316 | 4.873,28 | 15,42 | 5 |
| 2013 | 330 | 4.944,40 | 14,98 | 4 |
| 2014 | 569 | 10.655,50 | 18,73 | 4 |
| 2015 | 315 | 6.651,44 | 21,12 | 4 |
| 2016 | 236 | 6.049,39 | 25,63 | 3 |
| 2017 | 218 | 5.537,38 | 25,40 | 4 |
| 2018 | 384 | 9.393,88 | 24,46 | 5 |
| 2019 | 369 | 9.291,49 | 25,18 | 4 |
| 2020 | 265 | 6.796,09 | 25,65 | 5 |
| 2021 | 330 | 7.962,60 | 24,13 | 5 |
| 2022 | 269 | 6.912,23 | 25,70 | 4 |
| 2023 | 232 | 6.098,60 | 26,29 | 6 |
| 2024 | 188 | 4.616,78 | 24,56 | 6 |
| totale | 5.351 | 120.527,51 | 22,52 | 75 |