| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 356 | 8.819,09 | 24,77 | 3 |
| 2007 | 127 | 3.569,31 | 28,10 | 2 |
| 2008 | 138 | 3.732,78 | 27,05 | 2 |
| 2009 | 217 | 5.311,27 | 24,48 | 3 |
| 2010 | 208 | 4.748,20 | 22,83 | 4 |
| 2011 | 102 | 2.676,98 | 26,24 | 3 |
| 2012 | 402 | 8.360,50 | 20,80 | 4 |
| 2013 | 318 | 7.033,38 | 22,12 | 3 |
| 2014 | 291 | 6.971,34 | 23,96 | 3 |
| 2015 | 263 | 6.860,10 | 26,08 | 3 |
| 2016 | 276 | 8.756,24 | 31,73 | 5 |
| 2017 | 254 | 7.376,64 | 29,04 | 5 |
| 2018 | 235 | 6.695,89 | 28,49 | 5 |
| 2019 | 247 | 7.449,62 | 30,16 | 5 |
| 2020 | 209 | 6.477,85 | 30,99 | 5 |
| 2021 | 217 | 8.051,76 | 37,10 | 4 |
| 2022 | 184 | 7.271,44 | 39,52 | 3 |
| 2023 | 186 | 8.881,15 | 47,75 | 4 |
| 2024 | 201 | 6.509,42 | 32,39 | 5 |
| totale | 4.431 | 125.552,96 | 28,34 | 71 |