| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 54 | 966,51 | 17,90 | 1 |
| 2009 | 313 | 8.562,06 | 27,35 | 2 |
| 2010 | 285 | 6.194,17 | 21,73 | 4 |
| 2011 | 86 | 1.423,44 | 16,55 | 2 |
| 2012 | 128 | 2.248,76 | 17,57 | 3 |
| 2013 | 295 | 5.463,74 | 18,52 | 4 |
| 2014 | 287 | 6.278,44 | 21,88 | 5 |
| 2015 | 494 | 10.949,19 | 22,16 | 5 |
| 2016 | 608 | 14.173,86 | 23,31 | 6 |
| 2017 | 626 | 11.907,87 | 19,02 | 4 |
| 2018 | 670 | 13.094,72 | 19,54 | 6 |
| 2019 | 693 | 13.270,15 | 19,15 | 4 |
| 2020 | 722 | 14.795,01 | 20,49 | 6 |
| 2021 | 750 | 16.420,33 | 21,89 | 7 |
| 2022 | 743 | 17.135,10 | 23,06 | 7 |
| 2023 | 901 | 19.045,76 | 21,14 | 10 |
| 2024 | 881 | 18.638,35 | 21,16 | 10 |
| totale | 8.536 | 180.567,46 | 21,15 | 86 |