| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 577 | 14.166,67 | 24,55 | 4 |
| 2007 | 209 | 5.906,28 | 28,26 | 4 |
| 2008 | 248 | 8.657,96 | 34,91 | 3 |
| 2009 | 320 | 9.277,43 | 28,99 | 4 |
| 2010 | 426 | 10.408,47 | 24,43 | 5 |
| 2011 | 640 | 22.238,24 | 34,75 | 6 |
| 2012 | 664 | 23.246,13 | 35,01 | 6 |
| 2013 | 754 | 23.913,69 | 31,72 | 9 |
| 2014 | 684 | 28.255,53 | 41,31 | 12 |
| 2015 | 593 | 28.334,87 | 47,78 | 10 |
| 2016 | 585 | 27.196,02 | 46,49 | 11 |
| 2017 | 621 | 28.148,13 | 45,33 | 11 |
| 2018 | 568 | 27.804,60 | 48,95 | 11 |
| 2019 | 529 | 28.029,50 | 52,99 | 11 |
| 2020 | 506 | 27.857,52 | 55,05 | 11 |
| 2021 | 464 | 25.368,63 | 54,67 | 10 |
| 2022 | 443 | 24.642,69 | 55,63 | 10 |
| 2023 | 387 | 27.535,29 | 71,15 | 10 |
| 2024 | 358 | 21.071,59 | 58,86 | 14 |
| totale | 9.576 | 412.059,24 | 43,03 | 162 |