| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 221 | 5.168,25 | 23,39 | 2 |
| 2007 | 101 | 2.969,89 | 29,40 | 1 |
| 2008 | 106 | 3.232,29 | 30,49 | 1 |
| 2009 | 139 | 4.341,04 | 31,23 | 2 |
| 2010 | 214 | 4.818,51 | 22,52 | 2 |
| 2011 | 145 | 3.137,12 | 21,64 | 1 |
| 2012 | 176 | 4.262,78 | 24,22 | 2 |
| 2013 | 174 | 3.684,10 | 21,17 | 2 |
| 2014 | 179 | 4.909,04 | 27,42 | 2 |
| 2015 | 181 | 5.071,39 | 28,02 | 2 |
| 2016 | 188 | 5.896,94 | 31,37 | 3 |
| 2017 | 191 | 5.610,74 | 29,38 | 3 |
| 2018 | 198 | 5.304,57 | 26,79 | 3 |
| 2019 | 226 | 5.439,90 | 24,07 | 3 |
| 2020 | 200 | 5.323,82 | 26,62 | 3 |
| 2021 | 163 | 4.487,23 | 27,53 | 3 |
| 2022 | 178 | 4.329,69 | 24,32 | 3 |
| 2023 | 183 | 4.743,54 | 25,92 | 3 |
| 2024 | 178 | 3.899,24 | 21,91 | 3 |
| totale | 3.341 | 86.630,08 | 25,93 | 44 |