| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 594 | 11.223,97 | 18,90 | 2 |
| 2007 | 134 | 3.190,70 | 23,81 | 1 |
| 2008 | 50 | 1.216,47 | 24,33 | 1 |
| 2009 | 141 | 3.544,59 | 25,14 | 2 |
| 2010 | 410 | 8.671,35 | 21,15 | 2 |
| 2012 | 344 | 7.216,40 | 20,98 | 2 |
| 2013 | 466 | 8.901,16 | 19,10 | 2 |
| 2014 | 347 | 8.435,16 | 24,31 | 2 |
| 2015 | 376 | 9.158,88 | 24,36 | 2 |
| 2016 | 344 | 7.552,92 | 21,96 | 2 |
| 2017 | 277 | 6.120,21 | 22,09 | 2 |
| 2018 | 223 | 4.799,57 | 21,52 | 2 |
| 2019 | 215 | 4.579,41 | 21,30 | 2 |
| 2020 | 176 | 3.798,11 | 21,58 | 2 |
| 2021 | 134 | 3.828,48 | 28,57 | 2 |
| 2022 | 120 | 3.012,07 | 25,10 | 2 |
| 2023 | 99 | 2.733,71 | 27,61 | 3 |
| 2024 | 92 | 2.386,99 | 25,95 | 3 |
| totale | 4.542 | 100.370,15 | 22,10 | 36 |