| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 132 | 2.149,02 | 16,28 | 1 |
| 2008 | 9 | 266,88 | 29,65 | 1 |
| 2009 | 11 | 283,71 | 25,79 | 1 |
| 2010 | 18 | 517,80 | 28,77 | 1 |
| 2012 | 68 | 1.590,38 | 23,39 | 2 |
| 2013 | 48 | 851,76 | 17,75 | 2 |
| 2014 | 11 | 495,08 | 45,01 | 1 |
| 2015 | 45 | 1.199,14 | 26,65 | 2 |
| 2016 | 345 | 9.336,91 | 27,06 | 3 |
| 2017 | 383 | 8.944,98 | 23,36 | 3 |
| 2018 | 444 | 9.965,80 | 22,45 | 3 |
| 2019 | 470 | 10.315,11 | 21,95 | 4 |
| 2020 | 475 | 11.567,57 | 24,35 | 4 |
| 2021 | 853 | 21.444,93 | 25,14 | 6 |
| 2022 | 739 | 18.929,81 | 25,62 | 6 |
| 2023 | 725 | 17.285,67 | 23,84 | 7 |
| 2024 | 697 | 16.464,38 | 23,62 | 7 |
| totale | 5.473 | 131.608,93 | 24,05 | 54 |