| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 160 | 1.907,69 | 11,92 | 2 |
| 2007 | 270 | 4.548,75 | 16,85 | 1 |
| 2008 | 227 | 4.184,02 | 18,43 | 1 |
| 2009 | 6 | 108,74 | 18,12 | 1 |
| 2010 | 45 | 806,48 | 17,92 | 2 |
| 2011 | 61 | 850,65 | 13,95 | 1 |
| 2012 | 69 | 967,29 | 14,02 | 2 |
| 2013 | 247 | 5.009,10 | 20,28 | 2 |
| 2014 | 113 | 2.428,91 | 21,49 | 2 |
| 2015 | 88 | 1.951,49 | 22,18 | 2 |
| 2016 | 90 | 1.884,30 | 20,94 | 2 |
| 2017 | 77 | 1.364,43 | 17,72 | 2 |
| 2018 | 57 | 1.260,08 | 22,11 | 2 |
| 2019 | 55 | 1.081,53 | 19,66 | 2 |
| 2020 | 63 | 1.096,91 | 17,41 | 2 |
| 2021 | 49 | 951,91 | 19,43 | 2 |
| 2022 | 106 | 1.311,80 | 12,38 | 2 |
| 2023 | 42 | 809,13 | 19,27 | 2 |
| 2024 | 37 | 868,43 | 23,47 | 2 |
| totale | 1.862 | 33.391,64 | 17,93 | 34 |