| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 311 | 7.392,68 | 23,77 | 2 |
| 2007 | 194 | 3.917,69 | 20,19 | 1 |
| 2008 | 214 | 4.038,43 | 18,87 | 1 |
| 2009 | 209 | 4.447,05 | 21,28 | 2 |
| 2010 | 256 | 4.907,77 | 19,17 | 2 |
| 2011 | 155 | 2.757,50 | 17,79 | 1 |
| 2012 | 232 | 4.473,64 | 19,28 | 2 |
| 2013 | 233 | 4.788,77 | 20,55 | 2 |
| 2014 | 232 | 6.455,94 | 27,83 | 2 |
| 2015 | 207 | 5.495,85 | 26,55 | 2 |
| 2016 | 206 | 5.348,39 | 25,96 | 3 |
| 2017 | 241 | 6.408,32 | 26,59 | 3 |
| 2018 | 249 | 6.588,64 | 26,46 | 3 |
| 2019 | 229 | 5.807,57 | 25,36 | 2 |
| 2020 | 211 | 6.377,59 | 30,23 | 2 |
| 2021 | 184 | 4.727,49 | 25,69 | 2 |
| 2022 | 147 | 4.121,54 | 28,04 | 2 |
| 2023 | 168 | 4.439,13 | 26,42 | 2 |
| 2024 | 149 | 3.615,11 | 24,26 | 4 |
| totale | 4.027 | 96.109,10 | 23,87 | 40 |