| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 89 | 2.204,58 | 24,77 | 2 |
| 2007 | 54 | 1.654,77 | 30,64 | 1 |
| 2008 | 117 | 3.189,73 | 27,26 | 2 |
| 2009 | 199 | 5.110,10 | 25,68 | 3 |
| 2010 | 62 | 1.130,40 | 18,23 | 2 |
| 2011 | 28 | 585,79 | 20,92 | 2 |
| 2012 | 116 | 2.449,62 | 21,12 | 4 |
| 2013 | 207 | 4.023,06 | 19,44 | 5 |
| 2014 | 213 | 5.250,99 | 24,65 | 5 |
| 2015 | 146 | 3.265,06 | 22,36 | 4 |
| 2016 | 52 | 1.385,01 | 26,63 | 3 |
| 2017 | 24 | 440,60 | 18,36 | 2 |
| 2018 | 49 | 1.091,83 | 22,28 | 3 |
| 2019 | 46 | 1.053,01 | 22,89 | 4 |
| 2020 | 129 | 2.606,52 | 20,21 | 4 |
| 2021 | 145 | 3.262,96 | 22,50 | 4 |
| 2022 | 156 | 3.447,75 | 22,10 | 3 |
| 2023 | 257 | 5.503,51 | 21,41 | 5 |
| 2024 | 260 | 5.353,32 | 20,59 | 6 |
| totale | 2.349 | 53.008,61 | 22,57 | 64 |