| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 276 | 4.922,03 | 17,83 | 3 |
| 2007 | 70 | 1.428,49 | 20,41 | 2 |
| 2008 | 62 | 1.191,82 | 19,22 | 2 |
| 2009 | 123 | 2.451,31 | 19,93 | 3 |
| 2010 | 121 | 2.126,42 | 17,57 | 3 |
| 2011 | 78 | 1.234,62 | 15,83 | 2 |
| 2012 | 181 | 3.193,83 | 17,65 | 3 |
| 2013 | 189 | 3.444,71 | 18,23 | 4 |
| 2014 | 208 | 4.453,09 | 21,41 | 4 |
| 2015 | 195 | 4.310,87 | 22,11 | 3 |
| 2016 | 194 | 4.031,00 | 20,78 | 3 |
| 2017 | 221 | 4.834,87 | 21,88 | 4 |
| 2018 | 230 | 5.110,11 | 22,22 | 6 |
| 2019 | 251 | 5.173,71 | 20,61 | 5 |
| 2020 | 226 | 5.249,72 | 23,23 | 5 |
| 2021 | 239 | 5.642,15 | 23,61 | 5 |
| 2022 | 230 | 5.695,70 | 24,76 | 5 |
| 2023 | 211 | 4.898,47 | 23,22 | 5 |
| 2024 | 269 | 6.295,35 | 23,40 | 6 |
| totale | 3.574 | 75.688,27 | 21,18 | 73 |