| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 33 | 533,54 | 16,17 | 2 |
| 2007 | 4 | 76,88 | 19,22 | 1 |
| 2008 | 3 | 40,74 | 13,58 | 1 |
| 2009 | 7 | 132,48 | 18,93 | 1 |
| 2010 | 10 | 163,77 | 16,38 | 2 |
| 2011 | 0 | 0,00 | 0,00 | 1 |
| 2012 | 14 | 316,24 | 22,59 | 2 |
| 2013 | 20 | 401,98 | 20,10 | 2 |
| 2014 | 25 | 605,53 | 24,22 | 2 |
| 2015 | 24 | 673,70 | 28,07 | 2 |
| 2016 | 22 | 765,92 | 34,81 | 2 |
| 2017 | 31 | 783,55 | 25,28 | 2 |
| 2018 | 24 | 513,44 | 21,39 | 2 |
| 2019 | 31 | 625,01 | 20,16 | 2 |
| 2020 | 34 | 600,03 | 17,65 | 2 |
| 2021 | 36 | 556,37 | 15,45 | 2 |
| 2022 | 31 | 605,35 | 19,53 | 2 |
| 2023 | 27 | 515,49 | 19,09 | 2 |
| 2024 | 30 | 606,48 | 20,22 | 2 |
| totale | 406 | 8.516,50 | 20,98 | 34 |