| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 304 | 6.447,45 | 21,21 | 2 |
| 2007 | 366 | 8.948,84 | 24,45 | 3 |
| 2008 | 181 | 5.320,44 | 29,39 | 4 |
| 2009 | 115 | 3.348,22 | 29,11 | 2 |
| 2010 | 73 | 2.243,38 | 30,73 | 2 |
| 2011 | 123 | 2.988,83 | 24,30 | 1 |
| 2012 | 148 | 3.474,13 | 23,47 | 3 |
| 2013 | 81 | 2.574,48 | 31,78 | 3 |
| 2014 | 70 | 2.556,32 | 36,52 | 3 |
| 2015 | 46 | 1.679,06 | 36,50 | 2 |
| 2016 | 237 | 10.047,79 | 42,40 | 5 |
| 2017 | 1.051 | 37.598,26 | 35,77 | 6 |
| 2018 | 1.149 | 39.693,19 | 34,55 | 6 |
| 2019 | 1.063 | 36.821,24 | 34,64 | 5 |
| 2020 | 1.138 | 41.409,21 | 36,39 | 5 |
| 2021 | 1.193 | 41.149,98 | 34,49 | 5 |
| 2022 | 1.215 | 45.134,50 | 37,15 | 5 |
| 2023 | 1.247 | 44.515,01 | 35,70 | 7 |
| 2024 | 1.162 | 42.943,88 | 36,96 | 8 |
| totale | 10.962 | 378.894,21 | 34,56 | 77 |