| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 78 | 1.531,18 | 19,63 | 2 |
| 2007 | 92 | 1.960,36 | 21,31 | 2 |
| 2008 | 134 | 2.394,78 | 17,87 | 2 |
| 2009 | 28 | 531,37 | 18,98 | 2 |
| 2010 | 182 | 3.262,48 | 17,93 | 3 |
| 2011 | 143 | 2.708,69 | 18,94 | 2 |
| 2012 | 135 | 2.161,40 | 16,01 | 4 |
| 2013 | 86 | 1.414,66 | 16,45 | 3 |
| 2014 | 134 | 3.119,69 | 23,28 | 5 |
| 2015 | 60 | 1.293,03 | 21,55 | 3 |
| 2016 | 62 | 1.509,24 | 24,34 | 4 |
| 2017 | 20 | 645,45 | 32,27 | 2 |
| 2018 | 49 | 1.151,40 | 23,50 | 3 |
| 2019 | 47 | 897,17 | 19,09 | 3 |
| 2020 | 52 | 998,40 | 19,20 | 4 |
| 2021 | 85 | 1.671,69 | 19,67 | 5 |
| 2022 | 49 | 1.091,01 | 22,27 | 5 |
| 2023 | 91 | 1.794,63 | 19,72 | 6 |
| 2024 | 105 | 2.309,76 | 22,00 | 6 |
| totale | 1.632 | 32.446,39 | 19,88 | 66 |