| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 41 | 517,42 | 12,62 | 2 |
| 2007 | 30 | 567,34 | 18,91 | 1 |
| 2008 | 22 | 413,44 | 18,79 | 1 |
| 2009 | 23 | 510,15 | 22,18 | 2 |
| 2010 | 20 | 382,06 | 19,10 | 2 |
| 2011 | 18 | 338,24 | 18,79 | 1 |
| 2012 | 27 | 755,44 | 27,98 | 4 |
| 2013 | 20 | 424,49 | 21,22 | 3 |
| 2014 | 25 | 773,01 | 30,92 | 3 |
| 2015 | 34 | 1.045,30 | 30,74 | 3 |
| 2016 | 35 | 1.027,73 | 29,36 | 2 |
| 2017 | 39 | 1.178,14 | 30,21 | 2 |
| 2018 | 38 | 1.498,64 | 39,44 | 2 |
| 2019 | 39 | 1.136,28 | 29,14 | 2 |
| 2020 | 43 | 1.333,72 | 31,02 | 2 |
| 2021 | 32 | 1.119,23 | 34,98 | 2 |
| 2022 | 29 | 744,04 | 25,66 | 2 |
| 2023 | 33 | 1.051,49 | 31,86 | 2 |
| 2024 | 39 | 1.614,83 | 41,41 | 2 |
| totale | 587 | 16.430,99 | 27,99 | 40 |