| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 371 | 4.567,98 | 12,31 | 1 |
| 2009 | 34 | 652,62 | 19,19 | 2 |
| 2010 | 131 | 2.629,21 | 20,07 | 3 |
| 2011 | 64 | 1.300,27 | 20,32 | 1 |
| 2012 | 138 | 2.696,51 | 19,54 | 2 |
| 2013 | 115 | 2.053,65 | 17,86 | 2 |
| 2014 | 103 | 2.039,53 | 19,80 | 2 |
| 2015 | 104 | 2.271,27 | 21,84 | 2 |
| 2016 | 103 | 2.417,04 | 23,47 | 2 |
| 2017 | 99 | 2.198,34 | 22,21 | 2 |
| 2018 | 86 | 2.167,59 | 25,20 | 2 |
| 2019 | 105 | 2.532,53 | 24,12 | 3 |
| 2020 | 118 | 2.815,98 | 23,86 | 3 |
| 2021 | 109 | 2.469,55 | 22,66 | 3 |
| 2022 | 99 | 2.373,41 | 23,97 | 2 |
| 2023 | 131 | 3.058,05 | 23,34 | 2 |
| 2024 | 197 | 4.205,60 | 21,35 | 3 |
| totale | 2.107 | 42.449,13 | 20,15 | 37 |