| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 190 | 3.038,14 | 15,99 | 2 |
| 2007 | 144 | 2.820,70 | 19,59 | 2 |
| 2008 | 132 | 2.363,57 | 17,91 | 1 |
| 2009 | 223 | 3.478,09 | 15,60 | 3 |
| 2010 | 236 | 3.441,13 | 14,58 | 4 |
| 2011 | 240 | 3.489,20 | 14,54 | 3 |
| 2012 | 234 | 3.797,81 | 16,23 | 4 |
| 2013 | 210 | 3.491,57 | 16,63 | 4 |
| 2014 | 274 | 5.596,42 | 20,42 | 4 |
| 2015 | 224 | 4.392,16 | 19,61 | 4 |
| 2016 | 188 | 3.636,15 | 19,34 | 3 |
| 2017 | 181 | 3.636,73 | 20,09 | 4 |
| 2018 | 143 | 2.963,11 | 20,72 | 3 |
| 2019 | 122 | 2.139,63 | 17,54 | 2 |
| 2020 | 86 | 1.583,95 | 18,42 | 2 |
| 2021 | 74 | 1.532,39 | 20,71 | 2 |
| 2022 | 101 | 2.068,57 | 20,48 | 2 |
| 2023 | 78 | 1.687,57 | 21,64 | 2 |
| 2024 | 81 | 1.644,16 | 20,30 | 2 |
| totale | 3.161 | 56.801,05 | 17,97 | 53 |