| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 279 | 7.292,93 | 26,14 | 3 |
| 2007 | 137 | 3.338,91 | 24,37 | 5 |
| 2008 | 136 | 3.668,85 | 26,98 | 5 |
| 2009 | 138 | 3.604,88 | 26,12 | 5 |
| 2010 | 219 | 5.696,11 | 26,01 | 6 |
| 2011 | 210 | 5.232,11 | 24,91 | 6 |
| 2012 | 218 | 5.228,73 | 23,99 | 6 |
| 2013 | 431 | 11.616,10 | 26,95 | 6 |
| 2014 | 588 | 19.036,22 | 32,37 | 8 |
| 2015 | 513 | 15.934,19 | 31,06 | 7 |
| 2016 | 495 | 15.895,21 | 32,11 | 7 |
| 2017 | 467 | 17.171,78 | 36,77 | 9 |
| 2018 | 500 | 19.021,16 | 38,04 | 10 |
| 2019 | 513 | 21.037,05 | 41,01 | 10 |
| 2020 | 475 | 19.410,97 | 40,87 | 10 |
| 2021 | 523 | 20.429,61 | 39,06 | 10 |
| 2022 | 480 | 23.092,56 | 48,11 | 10 |
| 2023 | 468 | 24.238,00 | 51,79 | 12 |
| 2024 | 475 | 18.308,19 | 38,54 | 12 |
| totale | 7.265 | 259.253,56 | 35,69 | 147 |