| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 256 | 5.500,27 | 21,49 | 2 |
| 2007 | 183 | 4.587,48 | 25,07 | 1 |
| 2008 | 309 | 16.206,05 | 52,45 | 3 |
| 2009 | 290 | 15.242,76 | 52,56 | 4 |
| 2010 | 235 | 4.260,49 | 18,13 | 3 |
| 2011 | 237 | 4.339,21 | 18,31 | 2 |
| 2012 | 329 | 7.935,96 | 24,12 | 5 |
| 2013 | 336 | 7.009,56 | 20,86 | 5 |
| 2014 | 334 | 8.987,89 | 26,91 | 5 |
| 2015 | 312 | 9.482,16 | 30,39 | 6 |
| 2016 | 319 | 9.708,02 | 30,43 | 6 |
| 2017 | 318 | 10.766,63 | 33,86 | 6 |
| 2018 | 243 | 7.797,11 | 32,09 | 6 |
| 2019 | 251 | 7.883,40 | 31,41 | 6 |
| 2020 | 249 | 8.188,64 | 32,89 | 6 |
| 2021 | 206 | 6.294,45 | 30,56 | 5 |
| 2022 | 231 | 6.598,05 | 28,56 | 4 |
| 2023 | 231 | 6.619,52 | 28,66 | 6 |
| 2024 | 253 | 7.091,89 | 28,03 | 6 |
| totale | 5.122 | 154.499,54 | 30,16 | 87 |