| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 110 | 1.739,81 | 15,82 | 1 |
| 2007 | 84 | 1.831,25 | 21,80 | 1 |
| 2008 | 83 | 1.689,31 | 20,35 | 1 |
| 2009 | 126 | 1.965,72 | 15,60 | 2 |
| 2010 | 179 | 2.768,29 | 15,47 | 2 |
| 2011 | 179 | 2.936,49 | 16,40 | 2 |
| 2012 | 245 | 3.771,00 | 15,39 | 3 |
| 2013 | 326 | 4.888,27 | 14,99 | 3 |
| 2014 | 174 | 3.500,01 | 20,12 | 2 |
| 2015 | 254 | 5.067,15 | 19,95 | 3 |
| 2016 | 258 | 5.399,91 | 20,93 | 3 |
| 2017 | 192 | 4.373,26 | 22,78 | 3 |
| 2018 | 202 | 4.524,97 | 22,40 | 3 |
| 2019 | 266 | 6.611,04 | 24,85 | 3 |
| 2020 | 173 | 4.541,79 | 26,25 | 3 |
| 2021 | 318 | 6.729,74 | 21,16 | 4 |
| 2022 | 218 | 5.182,52 | 23,77 | 4 |
| 2023 | 196 | 4.813,52 | 24,56 | 4 |
| 2024 | 240 | 5.440,35 | 22,67 | 4 |
| totale | 3.823 | 77.774,40 | 20,34 | 51 |