| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 135 | 4.279,70 | 31,70 | 1 |
| 2009 | 63 | 1.676,94 | 26,62 | 1 |
| 2010 | 220 | 8.132,27 | 36,96 | 3 |
| 2011 | 285 | 11.261,11 | 39,51 | 2 |
| 2012 | 341 | 14.505,19 | 42,54 | 3 |
| 2013 | 322 | 12.691,61 | 39,41 | 2 |
| 2014 | 399 | 16.952,52 | 42,49 | 2 |
| 2015 | 359 | 16.333,82 | 45,50 | 2 |
| 2016 | 347 | 15.385,86 | 44,34 | 2 |
| 2017 | 348 | 14.150,73 | 40,66 | 2 |
| 2018 | 333 | 14.090,33 | 42,31 | 2 |
| 2019 | 311 | 13.770,86 | 44,28 | 2 |
| 2020 | 382 | 18.038,97 | 47,22 | 4 |
| 2021 | 338 | 15.004,50 | 44,39 | 4 |
| 2022 | 142 | 5.272,84 | 37,13 | 3 |
| 2023 | 138 | 4.552,19 | 32,99 | 3 |
| 2024 | 169 | 4.499,52 | 26,62 | 5 |
| totale | 4.632 | 190.598,96 | 41,15 | 43 |