| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 289 | 6.080,62 | 21,04 | 3 |
| 2007 | 164 | 4.325,75 | 26,38 | 2 |
| 2008 | 209 | 6.218,01 | 29,75 | 3 |
| 2009 | 290 | 8.184,43 | 28,22 | 7 |
| 2010 | 243 | 5.993,48 | 24,66 | 5 |
| 2011 | 250 | 6.157,89 | 24,63 | 2 |
| 2012 | 313 | 8.452,38 | 27,00 | 4 |
| 2013 | 341 | 9.096,26 | 26,68 | 6 |
| 2014 | 331 | 10.482,92 | 31,67 | 5 |
| 2015 | 325 | 9.892,63 | 30,44 | 4 |
| 2016 | 322 | 9.800,89 | 30,44 | 4 |
| 2017 | 322 | 9.783,20 | 30,38 | 5 |
| 2018 | 323 | 9.546,55 | 29,56 | 4 |
| 2019 | 311 | 9.404,93 | 30,24 | 4 |
| 2020 | 331 | 9.944,16 | 30,04 | 4 |
| 2021 | 312 | 8.540,78 | 27,37 | 5 |
| 2022 | 312 | 9.348,88 | 29,96 | 5 |
| 2023 | 333 | 9.904,87 | 29,74 | 5 |
| 2024 | 350 | 10.075,04 | 28,79 | 6 |
| totale | 5.671 | 161.233,67 | 28,43 | 83 |