| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 111 | 2.281,35 | 20,55 | 3 |
| 2007 | 58 | 1.236,88 | 21,33 | 2 |
| 2008 | 47 | 1.081,37 | 23,01 | 2 |
| 2009 | 56 | 1.290,09 | 23,04 | 3 |
| 2010 | 60 | 1.251,66 | 20,86 | 3 |
| 2011 | 47 | 871,27 | 18,54 | 1 |
| 2012 | 61 | 1.473,94 | 24,16 | 2 |
| 2013 | 91 | 1.487,02 | 16,34 | 2 |
| 2014 | 98 | 1.982,38 | 20,23 | 2 |
| 2015 | 81 | 1.477,81 | 18,24 | 2 |
| 2016 | 136 | 3.015,73 | 22,17 | 3 |
| 2017 | 81 | 1.358,01 | 16,77 | 3 |
| 2018 | 106 | 2.204,70 | 20,80 | 3 |
| 2019 | 99 | 2.008,56 | 20,29 | 3 |
| 2020 | 93 | 2.254,21 | 24,24 | 3 |
| 2021 | 94 | 1.823,06 | 19,39 | 3 |
| 2022 | 77 | 1.825,22 | 23,70 | 3 |
| 2023 | 75 | 1.923,39 | 25,65 | 2 |
| 2024 | 84 | 2.027,26 | 24,13 | 4 |
| totale | 1.555 | 32.873,91 | 21,14 | 49 |