| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 288 | 6.378,76 | 22,15 | 2 |
| 2007 | 340 | 8.142,12 | 23,95 | 2 |
| 2008 | 392 | 9.909,70 | 25,28 | 3 |
| 2009 | 328 | 9.272,00 | 28,27 | 4 |
| 2010 | 469 | 11.933,93 | 25,45 | 4 |
| 2011 | 314 | 6.733,69 | 21,44 | 2 |
| 2012 | 354 | 8.633,58 | 24,39 | 4 |
| 2013 | 351 | 8.074,35 | 23,00 | 4 |
| 2014 | 354 | 11.923,50 | 33,68 | 5 |
| 2015 | 335 | 11.841,59 | 35,35 | 5 |
| 2016 | 346 | 10.631,71 | 30,73 | 6 |
| 2017 | 340 | 9.475,35 | 27,87 | 6 |
| 2018 | 319 | 8.899,65 | 27,90 | 6 |
| 2019 | 300 | 8.843,11 | 29,48 | 6 |
| 2020 | 306 | 9.524,88 | 31,13 | 6 |
| 2021 | 268 | 8.984,06 | 33,52 | 5 |
| 2022 | 231 | 8.991,68 | 38,93 | 6 |
| 2023 | 297 | 10.848,05 | 36,53 | 6 |
| 2024 | 259 | 9.668,71 | 37,33 | 6 |
| totale | 6.191 | 178.710,42 | 28,87 | 88 |