| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 288 | 5.660,65 | 19,66 | 1 |
| 2007 | 158 | 4.851,19 | 30,70 | 1 |
| 2008 | 439 | 14.392,99 | 32,79 | 2 |
| 2009 | 629 | 18.773,80 | 29,85 | 5 |
| 2010 | 518 | 12.712,71 | 24,54 | 4 |
| 2011 | 309 | 8.211,04 | 26,57 | 2 |
| 2012 | 482 | 13.303,45 | 27,60 | 4 |
| 2013 | 483 | 13.422,76 | 27,79 | 4 |
| 2014 | 510 | 17.848,88 | 35,00 | 5 |
| 2015 | 524 | 18.587,24 | 35,47 | 4 |
| 2016 | 573 | 18.484,28 | 32,26 | 5 |
| 2017 | 622 | 23.217,51 | 37,33 | 5 |
| 2018 | 654 | 23.591,10 | 36,07 | 5 |
| 2019 | 413 | 14.003,94 | 33,91 | 4 |
| 2020 | 381 | 14.434,14 | 37,88 | 4 |
| 2021 | 362 | 14.346,47 | 39,63 | 5 |
| 2022 | 325 | 14.466,00 | 44,51 | 4 |
| 2023 | 300 | 13.055,74 | 43,52 | 4 |
| 2024 | 279 | 9.854,28 | 35,32 | 6 |
| totale | 8.249 | 273.218,17 | 33,12 | 74 |