| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 241 | 4.270,29 | 17,72 | 2 |
| 2007 | 218 | 3.884,25 | 17,82 | 1 |
| 2008 | 302 | 6.946,49 | 23,00 | 2 |
| 2009 | 241 | 4.932,67 | 20,47 | 3 |
| 2010 | 240 | 4.513,73 | 18,81 | 3 |
| 2011 | 41 | 752,22 | 18,35 | 1 |
| 2012 | 260 | 5.271,91 | 20,28 | 3 |
| 2013 | 227 | 4.150,62 | 18,28 | 3 |
| 2014 | 211 | 4.676,10 | 22,16 | 3 |
| 2015 | 327 | 7.825,97 | 23,93 | 3 |
| 2016 | 322 | 7.664,96 | 23,80 | 3 |
| 2017 | 204 | 4.483,12 | 21,98 | 3 |
| 2018 | 194 | 4.067,10 | 20,96 | 3 |
| 2019 | 162 | 3.507,22 | 21,65 | 3 |
| 2020 | 173 | 4.098,74 | 23,69 | 3 |
| 2021 | 128 | 3.197,17 | 24,98 | 3 |
| 2022 | 134 | 3.544,11 | 26,45 | 4 |
| 2023 | 116 | 2.697,41 | 23,25 | 5 |
| 2024 | 72 | 1.875,26 | 26,05 | 5 |
| totale | 3.813 | 82.359,34 | 21,60 | 56 |