| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 113 | 2.145,52 | 18,99 | 2 |
| 2007 | 45 | 965,46 | 21,45 | 1 |
| 2008 | 78 | 1.491,37 | 19,12 | 1 |
| 2009 | 9 | 206,71 | 22,97 | 1 |
| 2010 | 9 | 275,74 | 30,64 | 1 |
| 2011 | 68 | 1.231,09 | 18,10 | 2 |
| 2012 | 85 | 1.873,75 | 22,04 | 4 |
| 2013 | 166 | 3.641,26 | 21,94 | 5 |
| 2014 | 155 | 5.508,96 | 35,54 | 5 |
| 2015 | 156 | 5.680,44 | 36,41 | 5 |
| 2016 | 163 | 5.840,76 | 35,83 | 5 |
| 2017 | 127 | 4.054,06 | 31,92 | 4 |
| 2018 | 125 | 3.614,59 | 28,92 | 4 |
| 2019 | 130 | 4.728,73 | 36,37 | 4 |
| 2020 | 122 | 3.885,89 | 31,85 | 4 |
| 2021 | 140 | 3.776,56 | 26,98 | 5 |
| 2022 | 138 | 3.739,19 | 27,10 | 5 |
| 2023 | 136 | 3.470,83 | 25,52 | 5 |
| 2024 | 141 | 3.516,01 | 24,94 | 5 |
| totale | 2.106 | 59.646,92 | 28,32 | 68 |