| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 782 | 14.396,01 | 18,41 | 3 |
| 2007 | 446 | 10.931,89 | 24,51 | 2 |
| 2008 | 383 | 9.706,95 | 25,34 | 4 |
| 2009 | 208 | 6.167,20 | 29,65 | 4 |
| 2010 | 288 | 6.790,23 | 23,58 | 4 |
| 2011 | 71 | 1.865,72 | 26,28 | 2 |
| 2012 | 205 | 4.841,07 | 23,61 | 5 |
| 2013 | 184 | 3.902,77 | 21,21 | 4 |
| 2014 | 222 | 5.580,68 | 25,14 | 4 |
| 2015 | 164 | 4.133,36 | 25,20 | 3 |
| 2016 | 150 | 4.008,59 | 26,72 | 4 |
| 2017 | 182 | 4.326,29 | 23,77 | 6 |
| 2018 | 281 | 6.796,71 | 24,19 | 7 |
| 2019 | 305 | 7.530,34 | 24,69 | 8 |
| 2020 | 227 | 7.393,36 | 32,57 | 8 |
| 2021 | 131 | 3.245,90 | 24,78 | 7 |
| 2022 | 151 | 4.497,56 | 29,79 | 6 |
| 2023 | 156 | 4.280,91 | 27,44 | 9 |
| 2024 | 148 | 3.884,04 | 26,24 | 9 |
| totale | 4.684 | 114.279,58 | 24,40 | 99 |