| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 28 | 443,58 | 15,84 | 1 |
| 2009 | 3 | 28,15 | 9,38 | 1 |
| 2010 | 7 | 91,30 | 13,04 | 1 |
| 2012 | 325 | 5.727,56 | 17,62 | 2 |
| 2013 | 234 | 4.534,04 | 19,38 | 2 |
| 2014 | 368 | 9.014,29 | 24,50 | 2 |
| 2015 | 74 | 1.591,68 | 21,51 | 2 |
| 2016 | 117 | 2.961,51 | 25,31 | 2 |
| 2017 | 209 | 5.057,79 | 24,20 | 2 |
| 2018 | 160 | 3.831,89 | 23,95 | 2 |
| 2019 | 226 | 5.486,99 | 24,28 | 2 |
| 2020 | 263 | 7.344,41 | 27,93 | 2 |
| 2021 | 270 | 7.076,03 | 26,21 | 2 |
| 2022 | 298 | 6.710,89 | 22,52 | 2 |
| 2023 | 229 | 4.996,97 | 21,82 | 2 |
| 2024 | 205 | 4.882,04 | 23,81 | 2 |
| totale | 3.016 | 69.779,12 | 23,14 | 29 |