| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 103 | 2.176,17 | 21,13 | 2 |
| 2007 | 46 | 1.061,29 | 23,07 | 1 |
| 2008 | 80 | 2.142,70 | 26,78 | 2 |
| 2009 | 78 | 2.157,87 | 27,67 | 3 |
| 2010 | 161 | 3.470,92 | 21,56 | 3 |
| 2011 | 95 | 2.226,10 | 23,43 | 2 |
| 2012 | 100 | 2.530,58 | 25,31 | 3 |
| 2013 | 114 | 2.730,70 | 23,95 | 4 |
| 2014 | 115 | 3.344,53 | 29,08 | 4 |
| 2015 | 43 | 1.160,39 | 26,99 | 2 |
| 2016 | 40 | 1.067,43 | 26,69 | 2 |
| 2017 | 44 | 1.227,27 | 27,89 | 2 |
| 2018 | 35 | 983,58 | 28,10 | 2 |
| 2019 | 44 | 1.297,16 | 29,48 | 2 |
| 2020 | 50 | 1.378,58 | 27,57 | 2 |
| 2021 | 39 | 1.156,02 | 29,64 | 2 |
| 2022 | 40 | 1.311,09 | 32,78 | 2 |
| 2023 | 28 | 928,55 | 33,16 | 2 |
| 2024 | 23 | 744,01 | 32,35 | 2 |
| totale | 1.278 | 33.094,94 | 25,90 | 44 |