| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 103 | 2.089,90 | 20,29 | 2 |
| 2007 | 416 | 10.500,75 | 25,24 | 2 |
| 2008 | 401 | 9.090,58 | 22,67 | 2 |
| 2009 | 371 | 8.690,99 | 23,43 | 2 |
| 2010 | 71 | 1.531,14 | 21,57 | 3 |
| 2011 | 331 | 6.671,79 | 20,16 | 1 |
| 2012 | 93 | 2.928,17 | 31,49 | 2 |
| 2013 | 62 | 1.199,48 | 19,35 | 3 |
| 2014 | 75 | 2.192,63 | 29,24 | 4 |
| 2015 | 57 | 1.251,97 | 21,96 | 3 |
| 2016 | 76 | 2.140,02 | 28,16 | 4 |
| 2017 | 72 | 2.126,43 | 29,53 | 4 |
| 2018 | 104 | 3.412,43 | 32,81 | 4 |
| 2019 | 91 | 3.211,94 | 35,30 | 4 |
| 2020 | 109 | 4.261,53 | 39,10 | 4 |
| 2021 | 91 | 3.608,74 | 39,66 | 4 |
| 2022 | 72 | 3.262,12 | 45,31 | 4 |
| 2023 | 113 | 3.951,53 | 34,97 | 5 |
| 2024 | 139 | 4.570,41 | 32,88 | 5 |
| totale | 2.847 | 76.692,55 | 26,94 | 62 |