| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 137 | 4.343,41 | 31,70 | 1 |
| 2007 | 58 | 1.995,76 | 34,41 | 1 |
| 2008 | 64 | 1.908,06 | 29,81 | 1 |
| 2009 | 75 | 2.170,39 | 28,94 | 2 |
| 2010 | 54 | 1.683,88 | 31,18 | 2 |
| 2011 | 52 | 1.697,43 | 32,64 | 2 |
| 2012 | 67 | 2.301,31 | 34,35 | 3 |
| 2013 | 67 | 2.255,68 | 33,67 | 3 |
| 2014 | 57 | 1.888,90 | 33,14 | 3 |
| 2015 | 51 | 1.684,10 | 33,02 | 3 |
| 2016 | 104 | 4.350,22 | 41,83 | 4 |
| 2017 | 114 | 4.237,99 | 37,18 | 4 |
| 2018 | 111 | 3.651,70 | 32,90 | 4 |
| 2019 | 114 | 4.140,38 | 36,32 | 4 |
| 2020 | 106 | 5.061,58 | 47,75 | 3 |
| 2021 | 104 | 4.117,48 | 39,59 | 3 |
| 2022 | 118 | 4.027,17 | 34,13 | 3 |
| 2023 | 485 | 18.576,17 | 38,30 | 5 |
| 2024 | 501 | 16.632,26 | 33,20 | 5 |
| totale | 2.439 | 86.723,87 | 35,56 | 56 |