| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 557 | 14.191,90 | 25,48 | 2 |
| 2007 | 217 | 8.549,77 | 39,40 | 1 |
| 2008 | 188 | 7.951,78 | 42,30 | 1 |
| 2009 | 214 | 9.118,65 | 42,61 | 2 |
| 2010 | 261 | 8.263,71 | 31,66 | 2 |
| 2011 | 157 | 13.822,89 | 88,04 | 1 |
| 2012 | 244 | 7.972,17 | 32,67 | 2 |
| 2013 | 250 | 7.558,50 | 30,23 | 2 |
| 2014 | 255 | 9.983,51 | 39,15 | 2 |
| 2015 | 225 | 9.963,01 | 44,28 | 3 |
| 2016 | 333 | 16.486,48 | 49,51 | 4 |
| 2017 | 383 | 14.795,85 | 38,63 | 4 |
| 2018 | 357 | 13.949,84 | 39,08 | 4 |
| 2019 | 268 | 15.655,15 | 58,41 | 4 |
| 2020 | 211 | 11.204,14 | 53,10 | 4 |
| 2021 | 196 | 12.821,45 | 65,42 | 4 |
| 2022 | 206 | 14.113,97 | 68,51 | 4 |
| 2023 | 208 | 13.827,24 | 66,48 | 4 |
| 2024 | 206 | 10.063,64 | 48,85 | 4 |
| totale | 4.936 | 220.293,65 | 44,63 | 54 |