| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 84 | 1.603,48 | 19,09 | 2 |
| 2007 | 43 | 766,11 | 17,82 | 1 |
| 2008 | 57 | 1.096,60 | 19,24 | 1 |
| 2009 | 81 | 1.457,31 | 17,99 | 2 |
| 2010 | 83 | 1.388,12 | 16,72 | 3 |
| 2011 | 128 | 1.908,97 | 14,91 | 3 |
| 2012 | 180 | 2.687,78 | 14,93 | 4 |
| 2013 | 203 | 2.899,12 | 14,28 | 5 |
| 2014 | 195 | 3.762,77 | 19,30 | 4 |
| 2015 | 194 | 4.091,90 | 21,09 | 4 |
| 2016 | 220 | 4.537,68 | 20,63 | 4 |
| 2017 | 226 | 5.084,63 | 22,50 | 3 |
| 2018 | 233 | 5.149,43 | 22,10 | 3 |
| 2019 | 244 | 5.467,76 | 22,41 | 3 |
| 2020 | 261 | 6.280,92 | 24,06 | 3 |
| 2021 | 221 | 5.227,41 | 23,65 | 2 |
| 2022 | 239 | 6.168,97 | 25,81 | 3 |
| 2023 | 222 | 5.377,49 | 24,22 | 3 |
| 2024 | 257 | 6.247,43 | 24,31 | 4 |
| totale | 3.371 | 71.203,88 | 21,12 | 57 |