| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 308 | 5.637,42 | 18,30 | 4 |
| 2007 | 120 | 2.461,88 | 20,52 | 1 |
| 2008 | 149 | 3.014,67 | 20,23 | 4 |
| 2009 | 217 | 5.012,95 | 23,10 | 3 |
| 2010 | 235 | 4.567,64 | 19,44 | 6 |
| 2011 | 152 | 3.540,88 | 23,30 | 2 |
| 2012 | 263 | 5.680,51 | 21,60 | 4 |
| 2013 | 241 | 5.156,43 | 21,40 | 4 |
| 2014 | 281 | 6.325,10 | 22,51 | 5 |
| 2015 | 258 | 6.040,13 | 23,41 | 4 |
| 2016 | 230 | 5.244,32 | 22,80 | 4 |
| 2017 | 203 | 4.851,81 | 23,90 | 4 |
| 2018 | 162 | 3.395,82 | 20,96 | 3 |
| 2019 | 243 | 5.149,38 | 21,19 | 5 |
| 2020 | 255 | 5.877,46 | 23,05 | 5 |
| 2021 | 230 | 5.814,91 | 25,28 | 7 |
| 2022 | 242 | 5.166,48 | 21,35 | 6 |
| 2023 | 271 | 5.726,31 | 21,13 | 6 |
| 2024 | 269 | 5.561,20 | 20,67 | 7 |
| totale | 4.329 | 94.225,30 | 21,77 | 84 |