| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 253 | 5.208,29 | 20,59 | 2 |
| 2007 | 91 | 2.886,80 | 31,72 | 3 |
| 2008 | 76 | 2.367,57 | 31,15 | 3 |
| 2009 | 143 | 6.285,34 | 43,95 | 4 |
| 2010 | 143 | 5.079,08 | 35,52 | 4 |
| 2011 | 171 | 5.172,17 | 30,25 | 3 |
| 2012 | 332 | 8.514,04 | 25,64 | 5 |
| 2013 | 302 | 7.405,29 | 24,52 | 5 |
| 2014 | 252 | 7.109,13 | 28,21 | 6 |
| 2015 | 217 | 6.789,56 | 31,29 | 5 |
| 2016 | 237 | 7.895,23 | 33,31 | 5 |
| 2017 | 192 | 6.916,75 | 36,02 | 5 |
| 2018 | 176 | 6.124,37 | 34,80 | 5 |
| 2019 | 187 | 6.149,47 | 32,88 | 5 |
| 2020 | 491 | 21.403,89 | 43,59 | 6 |
| 2021 | 522 | 23.236,11 | 44,51 | 6 |
| 2022 | 458 | 25.756,36 | 56,24 | 6 |
| 2023 | 577 | 33.313,87 | 57,74 | 7 |
| 2024 | 559 | 35.899,93 | 64,22 | 8 |
| totale | 5.379 | 223.513,25 | 41,55 | 93 |