| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 217 | 6.760,38 | 31,15 | 1 |
| 2007 | 80 | 2.251,00 | 28,14 | 1 |
| 2008 | 686 | 18.898,67 | 27,55 | 2 |
| 2009 | 527 | 12.917,40 | 24,51 | 3 |
| 2010 | 278 | 7.690,65 | 27,66 | 3 |
| 2011 | 288 | 8.510,18 | 29,55 | 1 |
| 2012 | 397 | 11.609,02 | 29,24 | 3 |
| 2013 | 386 | 10.697,71 | 27,71 | 2 |
| 2014 | 398 | 14.063,47 | 35,34 | 2 |
| 2015 | 471 | 17.716,42 | 37,61 | 2 |
| 2016 | 534 | 21.535,21 | 40,33 | 2 |
| 2017 | 524 | 21.181,71 | 40,42 | 2 |
| 2018 | 580 | 20.665,58 | 35,63 | 2 |
| 2019 | 625 | 23.424,08 | 37,48 | 2 |
| 2020 | 508 | 19.909,53 | 39,19 | 2 |
| 2021 | 458 | 17.533,51 | 38,28 | 2 |
| 2022 | 404 | 16.024,30 | 39,66 | 2 |
| 2023 | 375 | 14.081,74 | 37,55 | 2 |
| 2024 | 388 | 15.073,57 | 38,85 | 3 |
| totale | 8.124 | 280.544,13 | 34,53 | 39 |