| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 230 | 5.198,85 | 22,60 | 1 |
| 2007 | 191 | 7.351,36 | 38,49 | 6 |
| 2008 | 159 | 5.951,62 | 37,43 | 6 |
| 2009 | 315 | 11.176,18 | 35,48 | 7 |
| 2010 | 332 | 10.686,73 | 32,19 | 8 |
| 2011 | 131 | 4.833,58 | 36,90 | 4 |
| 2012 | 331 | 12.263,52 | 37,05 | 8 |
| 2013 | 213 | 6.799,95 | 31,92 | 5 |
| 2014 | 312 | 14.439,77 | 46,28 | 7 |
| 2015 | 359 | 15.904,69 | 44,30 | 9 |
| 2016 | 365 | 15.811,46 | 43,32 | 9 |
| 2017 | 378 | 19.163,29 | 50,70 | 9 |
| 2018 | 382 | 20.791,31 | 54,43 | 10 |
| 2019 | 413 | 19.780,99 | 47,90 | 10 |
| 2020 | 431 | 21.155,84 | 49,09 | 10 |
| 2021 | 386 | 19.283,59 | 49,96 | 11 |
| 2022 | 649 | 32.249,66 | 49,69 | 12 |
| 2023 | 545 | 26.666,32 | 48,93 | 13 |
| 2024 | 587 | 25.443,12 | 43,34 | 15 |
| totale | 6.709 | 294.951,83 | 43,96 | 160 |