| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 27 | 444,38 | 16,46 | 1 |
| 2007 | 81 | 1.446,43 | 17,86 | 1 |
| 2008 | 93 | 1.660,59 | 17,86 | 2 |
| 2009 | 93 | 2.098,65 | 22,57 | 3 |
| 2010 | 165 | 2.998,31 | 18,17 | 4 |
| 2011 | 212 | 4.189,89 | 19,76 | 3 |
| 2012 | 60 | 1.049,38 | 17,49 | 5 |
| 2013 | 232 | 4.794,92 | 20,67 | 6 |
| 2014 | 244 | 8.105,83 | 33,22 | 5 |
| 2015 | 251 | 5.031,58 | 20,05 | 5 |
| 2016 | 338 | 7.088,17 | 20,97 | 5 |
| 2017 | 296 | 6.959,43 | 23,51 | 5 |
| 2018 | 284 | 6.597,12 | 23,23 | 6 |
| 2019 | 229 | 5.839,32 | 25,50 | 6 |
| 2020 | 229 | 4.960,09 | 21,66 | 6 |
| 2021 | 215 | 4.801,32 | 22,33 | 7 |
| 2022 | 185 | 4.511,72 | 24,39 | 7 |
| 2023 | 251 | 5.302,26 | 21,12 | 7 |
| 2024 | 253 | 5.074,24 | 20,06 | 7 |
| totale | 3.738 | 82.953,63 | 22,19 | 91 |