| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 194 | 3.559,02 | 18,35 | 2 |
| 2007 | 139 | 2.717,29 | 19,55 | 1 |
| 2008 | 124 | 2.544,71 | 20,52 | 1 |
| 2009 | 115 | 2.306,03 | 20,05 | 2 |
| 2010 | 174 | 2.688,59 | 15,45 | 2 |
| 2011 | 151 | 2.228,69 | 14,76 | 1 |
| 2012 | 148 | 2.326,63 | 15,72 | 2 |
| 2013 | 155 | 2.267,15 | 14,63 | 2 |
| 2014 | 143 | 2.478,24 | 17,33 | 2 |
| 2015 | 145 | 2.359,78 | 16,27 | 2 |
| 2016 | 146 | 2.647,34 | 18,13 | 2 |
| 2017 | 148 | 2.641,90 | 17,85 | 2 |
| 2018 | 137 | 2.569,55 | 18,76 | 2 |
| 2019 | 145 | 2.580,20 | 17,79 | 2 |
| 2020 | 175 | 3.310,57 | 18,92 | 3 |
| 2021 | 183 | 3.402,73 | 18,59 | 3 |
| 2022 | 189 | 3.859,90 | 20,42 | 4 |
| 2023 | 185 | 3.794,44 | 20,51 | 5 |
| 2024 | 249 | 5.096,68 | 20,47 | 5 |
| totale | 3.045 | 55.379,44 | 18,19 | 45 |