| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 425 | 9.392,28 | 22,10 | 5 |
| 2007 | 277 | 7.930,28 | 28,63 | 3 |
| 2008 | 566 | 13.583,00 | 24,00 | 5 |
| 2009 | 622 | 14.024,60 | 22,55 | 8 |
| 2010 | 635 | 13.423,66 | 21,14 | 8 |
| 2011 | 551 | 11.078,01 | 20,11 | 4 |
| 2012 | 451 | 9.008,52 | 19,97 | 5 |
| 2013 | 435 | 8.208,49 | 18,87 | 4 |
| 2014 | 423 | 9.223,90 | 21,81 | 3 |
| 2015 | 573 | 13.768,95 | 24,03 | 6 |
| 2016 | 414 | 9.339,67 | 22,56 | 6 |
| 2017 | 396 | 9.605,57 | 24,26 | 6 |
| 2018 | 538 | 11.659,72 | 21,67 | 7 |
| 2019 | 357 | 7.899,65 | 22,13 | 5 |
| 2020 | 469 | 10.606,00 | 22,61 | 6 |
| 2021 | 169 | 3.950,34 | 23,37 | 4 |
| 2022 | 140 | 3.419,24 | 24,42 | 4 |
| 2023 | 131 | 3.224,31 | 24,61 | 4 |
| 2024 | 138 | 3.521,13 | 25,52 | 5 |
| totale | 7.710 | 172.867,32 | 22,42 | 98 |