| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 1.071 | 28.620,61 | 26,72 | 6 |
| 2007 | 835 | 25.197,65 | 30,18 | 7 |
| 2008 | 1.149 | 38.371,13 | 33,40 | 14 |
| 2009 | 1.293 | 38.361,22 | 29,67 | 16 |
| 2010 | 1.269 | 32.670,31 | 25,74 | 18 |
| 2011 | 975 | 22.210,51 | 22,78 | 17 |
| 2012 | 1.422 | 35.388,43 | 24,89 | 19 |
| 2013 | 1.218 | 28.153,90 | 23,11 | 22 |
| 2014 | 1.189 | 33.672,66 | 28,32 | 20 |
| 2015 | 1.092 | 33.157,93 | 30,36 | 21 |
| 2016 | 1.154 | 34.091,69 | 29,54 | 22 |
| 2017 | 1.142 | 35.404,56 | 31,00 | 24 |
| 2018 | 1.139 | 33.689,43 | 29,58 | 27 |
| 2019 | 1.101 | 34.936,12 | 31,73 | 27 |
| 2020 | 1.095 | 38.962,60 | 35,58 | 27 |
| 2021 | 1.197 | 38.693,78 | 32,33 | 27 |
| 2022 | 763 | 25.435,25 | 33,34 | 26 |
| 2023 | 1.164 | 35.762,20 | 30,72 | 31 |
| 2024 | 1.247 | 36.012,69 | 28,88 | 36 |
| totale | 21.515 | 628.792,67 | 29,23 | 407 |