| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 562 | 15.248,55 | 27,13 | 5 |
| 2007 | 247 | 8.065,58 | 32,65 | 5 |
| 2008 | 279 | 8.337,00 | 29,88 | 6 |
| 2009 | 925 | 23.133,08 | 25,01 | 10 |
| 2010 | 890 | 19.848,48 | 22,30 | 11 |
| 2011 | 588 | 12.619,28 | 21,46 | 6 |
| 2012 | 718 | 17.841,01 | 24,85 | 10 |
| 2013 | 823 | 20.215,83 | 24,56 | 10 |
| 2014 | 773 | 25.941,05 | 33,56 | 9 |
| 2015 | 822 | 27.673,65 | 33,67 | 10 |
| 2016 | 816 | 27.064,37 | 33,17 | 10 |
| 2017 | 783 | 24.719,08 | 31,57 | 10 |
| 2018 | 718 | 22.159,04 | 30,86 | 9 |
| 2019 | 722 | 21.676,15 | 30,02 | 10 |
| 2020 | 766 | 24.828,12 | 32,41 | 11 |
| 2021 | 745 | 22.446,74 | 30,13 | 11 |
| 2022 | 673 | 21.698,47 | 32,24 | 8 |
| 2023 | 696 | 22.431,63 | 32,23 | 9 |
| 2024 | 517 | 13.613,81 | 26,33 | 9 |
| totale | 13.063 | 379.560,92 | 29,06 | 169 |