| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 76 | 2.156,40 | 28,37 | 1 |
| 2007 | 44 | 1.490,69 | 33,88 | 1 |
| 2008 | 51 | 1.615,98 | 31,69 | 2 |
| 2009 | 58 | 1.727,83 | 29,79 | 3 |
| 2010 | 102 | 3.094,70 | 30,34 | 4 |
| 2011 | 41 | 1.517,55 | 37,01 | 2 |
| 2012 | 162 | 5.998,27 | 37,03 | 5 |
| 2013 | 161 | 5.199,60 | 32,30 | 6 |
| 2014 | 153 | 6.397,31 | 41,81 | 5 |
| 2015 | 176 | 5.392,50 | 30,64 | 5 |
| 2016 | 222 | 7.479,12 | 33,69 | 5 |
| 2017 | 233 | 7.806,33 | 33,50 | 6 |
| 2018 | 286 | 9.283,97 | 32,46 | 7 |
| 2019 | 293 | 9.698,13 | 33,10 | 7 |
| 2020 | 291 | 9.315,33 | 32,01 | 7 |
| 2021 | 290 | 9.693,47 | 33,43 | 7 |
| 2022 | 297 | 9.388,98 | 31,61 | 7 |
| 2023 | 295 | 10.008,96 | 33,93 | 7 |
| 2024 | 306 | 10.753,62 | 35,14 | 9 |
| totale | 3.537 | 118.018,74 | 33,37 | 96 |