| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 120 | 2.261,86 | 18,85 | 3 |
| 2007 | 22 | 573,65 | 26,08 | 2 |
| 2008 | 70 | 2.594,27 | 37,06 | 2 |
| 2009 | 105 | 2.974,06 | 28,32 | 4 |
| 2010 | 452 | 18.965,93 | 41,96 | 5 |
| 2011 | 555 | 20.020,74 | 36,07 | 6 |
| 2012 | 532 | 19.877,31 | 37,36 | 8 |
| 2013 | 515 | 19.655,24 | 38,17 | 6 |
| 2014 | 517 | 24.662,32 | 47,70 | 7 |
| 2015 | 477 | 22.260,86 | 46,67 | 6 |
| 2016 | 463 | 20.840,48 | 45,01 | 7 |
| 2017 | 511 | 25.160,73 | 49,24 | 7 |
| 2018 | 525 | 22.484,87 | 42,83 | 8 |
| 2019 | 518 | 22.156,76 | 42,77 | 8 |
| 2020 | 370 | 19.524,43 | 52,77 | 7 |
| 2021 | 359 | 19.178,43 | 53,42 | 7 |
| 2022 | 330 | 17.763,73 | 53,83 | 6 |
| 2023 | 417 | 18.679,77 | 44,80 | 6 |
| 2024 | 404 | 18.508,64 | 45,81 | 6 |
| totale | 7.262 | 318.144,08 | 43,81 | 111 |