| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 260 | 4.742,72 | 18,24 | 2 |
| 2009 | 105 | 2.510,83 | 23,91 | 3 |
| 2010 | 93 | 2.707,81 | 29,12 | 3 |
| 2011 | 71 | 1.892,43 | 26,65 | 1 |
| 2012 | 128 | 4.090,03 | 31,95 | 3 |
| 2013 | 129 | 3.143,80 | 24,37 | 2 |
| 2014 | 261 | 6.573,51 | 25,19 | 5 |
| 2015 | 185 | 4.102,30 | 22,17 | 3 |
| 2016 | 186 | 3.710,02 | 19,95 | 2 |
| 2017 | 162 | 3.485,75 | 21,52 | 2 |
| 2018 | 167 | 3.579,51 | 21,43 | 2 |
| 2019 | 168 | 3.803,06 | 22,64 | 2 |
| 2020 | 172 | 4.297,20 | 24,98 | 2 |
| 2021 | 165 | 3.668,63 | 22,23 | 2 |
| 2022 | 116 | 2.885,76 | 24,88 | 2 |
| 2023 | 114 | 2.371,20 | 20,80 | 2 |
| 2024 | 132 | 3.886,23 | 29,44 | 3 |
| totale | 2.614 | 61.450,79 | 23,51 | 41 |