| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 75 | 1.480,81 | 19,74 | 1 |
| 2007 | 166 | 3.162,82 | 19,05 | 1 |
| 2008 | 236 | 4.614,81 | 19,55 | 4 |
| 2009 | 325 | 5.273,98 | 16,23 | 2 |
| 2010 | 187 | 3.344,82 | 17,89 | 7 |
| 2011 | 546 | 7.436,19 | 13,62 | 6 |
| 2012 | 535 | 7.873,07 | 14,72 | 9 |
| 2013 | 550 | 8.978,11 | 16,32 | 6 |
| 2014 | 535 | 10.940,00 | 20,45 | 5 |
| 2015 | 444 | 7.809,13 | 17,59 | 4 |
| 2016 | 480 | 8.826,47 | 18,39 | 3 |
| 2017 | 523 | 9.653,04 | 18,46 | 4 |
| 2018 | 526 | 9.645,66 | 18,34 | 4 |
| 2019 | 470 | 8.736,28 | 18,59 | 4 |
| 2020 | 480 | 9.663,23 | 20,13 | 4 |
| 2021 | 478 | 9.806,47 | 20,52 | 5 |
| 2022 | 462 | 10.186,86 | 22,05 | 5 |
| 2023 | 183 | 4.338,60 | 23,71 | 5 |
| 2024 | 288 | 6.092,56 | 21,15 | 6 |
| totale | 7.489 | 137.862,91 | 18,41 | 85 |