| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 901 | 24.170,66 | 26,83 | 7 |
| 2007 | 638 | 21.189,70 | 33,21 | 3 |
| 2008 | 649 | 26.869,43 | 41,40 | 3 |
| 2009 | 755 | 26.562,05 | 35,18 | 5 |
| 2010 | 915 | 24.723,31 | 27,02 | 6 |
| 2011 | 788 | 23.553,53 | 29,89 | 4 |
| 2012 | 859 | 24.359,73 | 28,36 | 6 |
| 2013 | 833 | 24.239,63 | 29,10 | 6 |
| 2014 | 810 | 28.734,22 | 35,47 | 6 |
| 2015 | 754 | 27.949,78 | 37,07 | 6 |
| 2016 | 751 | 28.428,23 | 37,85 | 6 |
| 2017 | 724 | 27.197,52 | 37,57 | 6 |
| 2018 | 659 | 22.234,85 | 33,74 | 6 |
| 2019 | 655 | 24.585,50 | 37,54 | 6 |
| 2020 | 586 | 22.012,92 | 37,56 | 6 |
| 2021 | 526 | 19.043,77 | 36,20 | 6 |
| 2022 | 407 | 20.333,67 | 49,96 | 5 |
| 2023 | 397 | 15.336,76 | 38,63 | 6 |
| 2024 | 412 | 15.481,08 | 37,58 | 8 |
| totale | 13.019 | 447.006,34 | 34,33 | 107 |