| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 355 | 5.492,20 | 15,47 | 3 |
| 2007 | 169 | 2.824,28 | 16,71 | 1 |
| 2008 | 261 | 4.192,60 | 16,06 | 2 |
| 2009 | 357 | 6.294,17 | 17,63 | 4 |
| 2010 | 280 | 3.872,08 | 13,83 | 3 |
| 2011 | 307 | 3.706,76 | 12,07 | 3 |
| 2012 | 204 | 2.845,90 | 13,95 | 4 |
| 2013 | 276 | 3.704,44 | 13,42 | 4 |
| 2014 | 162 | 2.984,90 | 18,43 | 4 |
| 2015 | 213 | 3.938,25 | 18,49 | 4 |
| 2016 | 181 | 3.077,65 | 17,00 | 4 |
| 2017 | 153 | 2.694,25 | 17,61 | 4 |
| 2018 | 160 | 2.932,40 | 18,33 | 4 |
| 2019 | 185 | 4.129,04 | 22,32 | 4 |
| 2020 | 148 | 3.100,14 | 20,95 | 4 |
| 2021 | 108 | 2.627,10 | 24,33 | 4 |
| 2022 | 129 | 2.965,88 | 22,99 | 4 |
| 2023 | 186 | 3.503,47 | 18,84 | 4 |
| 2024 | 226 | 4.193,02 | 18,55 | 5 |
| totale | 4.060 | 69.078,53 | 17,01 | 69 |