| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 189 | 3.496,75 | 18,50 | 1 |
| 2009 | 94 | 2.632,12 | 28,00 | 2 |
| 2010 | 187 | 4.119,07 | 22,03 | 3 |
| 2011 | 148 | 3.790,78 | 25,61 | 2 |
| 2012 | 160 | 3.567,13 | 22,29 | 3 |
| 2013 | 170 | 3.636,93 | 21,39 | 3 |
| 2014 | 182 | 4.243,09 | 23,31 | 3 |
| 2015 | 143 | 3.424,09 | 23,94 | 3 |
| 2016 | 143 | 3.191,93 | 22,32 | 3 |
| 2017 | 146 | 3.617,26 | 24,78 | 3 |
| 2018 | 129 | 2.953,30 | 22,89 | 3 |
| 2019 | 96 | 1.958,31 | 20,40 | 4 |
| 2020 | 89 | 1.995,53 | 22,42 | 4 |
| 2021 | 101 | 2.418,33 | 23,94 | 4 |
| 2022 | 96 | 2.153,46 | 22,43 | 4 |
| 2023 | 105 | 2.581,00 | 24,58 | 4 |
| 2024 | 154 | 3.530,21 | 22,92 | 5 |
| totale | 2.332 | 53.309,29 | 22,86 | 54 |