| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 120 | 3.131,50 | 26,10 | 1 |
| 2009 | 35 | 1.344,40 | 38,41 | 1 |
| 2010 | 154 | 3.367,38 | 21,87 | 2 |
| 2011 | 39 | 683,07 | 17,51 | 1 |
| 2012 | 125 | 3.116,72 | 24,93 | 3 |
| 2013 | 85 | 1.661,17 | 19,54 | 2 |
| 2014 | 127 | 3.694,46 | 29,09 | 3 |
| 2015 | 128 | 3.834,21 | 29,95 | 3 |
| 2016 | 136 | 3.930,47 | 28,90 | 3 |
| 2017 | 136 | 4.128,74 | 30,36 | 3 |
| 2018 | 134 | 4.025,55 | 30,04 | 3 |
| 2019 | 146 | 4.614,84 | 31,61 | 3 |
| 2020 | 132 | 4.442,10 | 33,65 | 3 |
| 2021 | 132 | 4.150,95 | 31,45 | 3 |
| 2022 | 122 | 4.039,11 | 33,11 | 3 |
| 2023 | 116 | 3.938,24 | 33,95 | 3 |
| 2024 | 85 | 2.340,68 | 27,54 | 3 |
| totale | 1.952 | 56.443,59 | 28,92 | 43 |