| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 344 | 6.756,68 | 19,64 | 3 |
| 2007 | 104 | 2.340,23 | 22,50 | 1 |
| 2008 | 101 | 2.387,85 | 23,64 | 2 |
| 2009 | 114 | 2.666,75 | 23,39 | 2 |
| 2010 | 118 | 2.582,21 | 21,88 | 3 |
| 2011 | 154 | 2.798,67 | 18,17 | 2 |
| 2012 | 196 | 4.654,89 | 23,75 | 5 |
| 2013 | 238 | 5.409,28 | 22,73 | 6 |
| 2014 | 242 | 8.057,60 | 33,30 | 6 |
| 2015 | 230 | 6.939,72 | 30,17 | 6 |
| 2016 | 223 | 7.063,24 | 31,67 | 6 |
| 2017 | 239 | 7.703,06 | 32,23 | 6 |
| 2018 | 252 | 7.620,30 | 30,24 | 6 |
| 2019 | 242 | 7.348,07 | 30,36 | 6 |
| 2020 | 257 | 7.712,81 | 30,01 | 6 |
| 2021 | 263 | 7.510,93 | 28,56 | 5 |
| 2022 | 167 | 4.140,01 | 24,79 | 5 |
| 2023 | 201 | 5.196,04 | 25,85 | 7 |
| 2024 | 208 | 6.060,37 | 29,14 | 7 |
| totale | 3.893 | 104.948,71 | 26,96 | 90 |