| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 145 | 3.387,11 | 23,36 | 3 |
| 2007 | 155 | 3.409,94 | 22,00 | 2 |
| 2008 | 88 | 1.977,57 | 22,47 | 2 |
| 2009 | 87 | 1.677,35 | 19,28 | 3 |
| 2010 | 85 | 1.567,23 | 18,44 | 3 |
| 2011 | 43 | 646,92 | 15,04 | 1 |
| 2012 | 48 | 988,15 | 20,59 | 2 |
| 2013 | 52 | 873,93 | 16,81 | 2 |
| 2014 | 70 | 1.393,16 | 19,90 | 3 |
| 2015 | 55 | 1.129,59 | 20,54 | 3 |
| 2016 | 67 | 1.388,64 | 20,73 | 3 |
| 2017 | 58 | 1.338,31 | 23,07 | 3 |
| 2018 | 66 | 1.397,24 | 21,17 | 3 |
| 2019 | 64 | 1.420,88 | 22,20 | 3 |
| 2020 | 72 | 1.758,82 | 24,43 | 3 |
| 2021 | 61 | 1.461,05 | 23,95 | 3 |
| 2022 | 58 | 1.397,35 | 24,09 | 3 |
| 2023 | 40 | 1.021,15 | 25,53 | 3 |
| 2024 | 30 | 727,34 | 24,24 | 4 |
| totale | 1.344 | 28.961,73 | 21,55 | 52 |