| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 56 | 1.525,85 | 27,25 | 3 |
| 2007 | 89 | 2.783,21 | 31,27 | 4 |
| 2008 | 68 | 2.159,30 | 31,75 | 5 |
| 2009 | 74 | 2.140,93 | 28,93 | 5 |
| 2010 | 143 | 3.051,30 | 21,34 | 7 |
| 2011 | 120 | 2.375,19 | 19,79 | 6 |
| 2012 | 98 | 2.393,30 | 24,42 | 7 |
| 2013 | 185 | 3.563,75 | 19,26 | 6 |
| 2014 | 221 | 5.239,59 | 23,71 | 6 |
| 2015 | 180 | 4.673,09 | 25,96 | 6 |
| 2016 | 242 | 6.233,51 | 25,76 | 7 |
| 2017 | 206 | 5.187,25 | 25,18 | 7 |
| 2018 | 209 | 5.476,83 | 26,20 | 8 |
| 2019 | 199 | 5.401,52 | 27,14 | 7 |
| 2020 | 185 | 4.215,53 | 22,79 | 6 |
| 2021 | 182 | 4.367,50 | 24,00 | 6 |
| 2022 | 104 | 3.155,58 | 30,34 | 4 |
| 2023 | 69 | 1.656,21 | 24,00 | 4 |
| 2024 | 113 | 3.969,59 | 35,13 | 4 |
| totale | 2.743 | 69.569,03 | 25,36 | 108 |