| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 206 | 3.436,47 | 16,68 | 2 |
| 2007 | 24 | 403,13 | 16,80 | 1 |
| 2008 | 137 | 2.961,74 | 21,62 | 2 |
| 2009 | 207 | 2.999,02 | 14,49 | 2 |
| 2010 | 213 | 2.793,39 | 13,11 | 2 |
| 2011 | 74 | 1.340,88 | 18,12 | 1 |
| 2012 | 287 | 4.190,39 | 14,60 | 2 |
| 2013 | 245 | 3.253,27 | 13,28 | 2 |
| 2014 | 221 | 3.851,10 | 17,43 | 2 |
| 2015 | 184 | 2.967,76 | 16,13 | 2 |
| 2016 | 168 | 2.870,29 | 17,09 | 2 |
| 2017 | 182 | 2.915,06 | 16,02 | 2 |
| 2018 | 151 | 2.370,66 | 15,70 | 2 |
| 2019 | 158 | 2.533,00 | 16,03 | 2 |
| 2020 | 168 | 2.644,39 | 15,74 | 2 |
| 2021 | 362 | 4.745,24 | 13,11 | 3 |
| 2022 | 393 | 5.689,79 | 14,48 | 3 |
| 2023 | 448 | 5.959,85 | 13,30 | 3 |
| 2024 | 250 | 3.597,66 | 14,39 | 4 |
| totale | 4.078 | 61.523,09 | 15,09 | 41 |