| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 287 | 6.788,61 | 23,65 | 2 |
| 2007 | 207 | 5.871,26 | 28,36 | 1 |
| 2008 | 221 | 5.683,55 | 25,72 | 1 |
| 2009 | 256 | 6.316,19 | 24,67 | 2 |
| 2010 | 267 | 5.217,44 | 19,54 | 2 |
| 2011 | 228 | 4.397,52 | 19,29 | 1 |
| 2012 | 261 | 5.417,55 | 20,76 | 2 |
| 2013 | 254 | 4.947,28 | 19,48 | 2 |
| 2014 | 220 | 6.008,56 | 27,31 | 2 |
| 2015 | 229 | 6.057,51 | 26,45 | 2 |
| 2016 | 247 | 5.959,18 | 24,13 | 3 |
| 2017 | 229 | 5.317,87 | 23,22 | 3 |
| 2018 | 232 | 4.996,69 | 21,54 | 3 |
| 2019 | 208 | 4.657,40 | 22,39 | 3 |
| 2020 | 199 | 4.871,65 | 24,48 | 3 |
| 2021 | 529 | 15.914,64 | 30,08 | 4 |
| 2022 | 535 | 16.443,12 | 30,73 | 4 |
| 2023 | 551 | 16.296,20 | 29,58 | 4 |
| 2024 | 575 | 16.718,32 | 29,08 | 4 |
| totale | 5.735 | 147.880,54 | 25,79 | 48 |