| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 87 | 1.340,43 | 15,41 | 1 |
| 2007 | 197 | 3.766,71 | 19,12 | 1 |
| 2008 | 216 | 4.424,17 | 20,48 | 1 |
| 2009 | 284 | 6.017,11 | 21,19 | 3 |
| 2010 | 249 | 4.737,69 | 19,03 | 3 |
| 2011 | 241 | 4.110,88 | 17,06 | 1 |
| 2012 | 201 | 3.117,88 | 15,51 | 2 |
| 2013 | 268 | 4.311,28 | 16,09 | 3 |
| 2014 | 261 | 5.641,40 | 21,61 | 2 |
| 2015 | 131 | 2.585,16 | 19,73 | 2 |
| 2016 | 263 | 4.562,73 | 17,35 | 2 |
| 2017 | 77 | 1.429,00 | 18,56 | 2 |
| 2018 | 159 | 2.630,92 | 16,55 | 3 |
| 2019 | 118 | 1.858,88 | 15,75 | 3 |
| 2020 | 52 | 879,39 | 16,91 | 3 |
| 2021 | 77 | 1.279,66 | 16,62 | 3 |
| 2022 | 27 | 419,30 | 15,53 | 3 |
| 2023 | 18 | 355,74 | 19,76 | 3 |
| 2024 | 18 | 231,91 | 12,88 | 3 |
| totale | 2.944 | 53.700,24 | 18,24 | 44 |