| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 503 | 11.111,25 | 22,09 | 2 |
| 2007 | 301 | 8.759,56 | 29,10 | 1 |
| 2008 | 295 | 8.012,36 | 27,16 | 1 |
| 2009 | 296 | 9.416,72 | 31,81 | 3 |
| 2010 | 268 | 7.719,21 | 28,80 | 3 |
| 2011 | 175 | 4.958,00 | 28,33 | 2 |
| 2012 | 384 | 7.366,91 | 19,18 | 2 |
| 2013 | 210 | 2.669,00 | 12,71 | 1 |
| 2014 | 145 | 2.990,63 | 20,63 | 2 |
| 2015 | 296 | 5.856,58 | 19,79 | 2 |
| 2016 | 93 | 1.987,32 | 21,37 | 2 |
| 2017 | 181 | 4.222,04 | 23,33 | 3 |
| 2018 | 231 | 5.024,86 | 21,75 | 3 |
| 2019 | 226 | 5.179,93 | 22,92 | 4 |
| 2020 | 215 | 4.876,86 | 22,68 | 4 |
| 2021 | 255 | 6.040,47 | 23,69 | 4 |
| 2022 | 108 | 2.603,92 | 24,11 | 3 |
| 2023 | 145 | 3.324,58 | 22,93 | 3 |
| 2024 | 154 | 3.565,28 | 23,15 | 4 |
| totale | 4.481 | 105.685,48 | 23,59 | 49 |