| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 103 | 1.980,07 | 19,22 | 3 |
| 2007 | 91 | 1.783,79 | 19,60 | 2 |
| 2008 | 81 | 1.572,12 | 19,41 | 2 |
| 2009 | 101 | 1.817,61 | 18,00 | 3 |
| 2010 | 119 | 2.674,01 | 22,47 | 3 |
| 2011 | 120 | 2.640,86 | 22,01 | 1 |
| 2012 | 154 | 3.589,03 | 23,31 | 3 |
| 2013 | 160 | 3.402,52 | 21,27 | 3 |
| 2014 | 170 | 4.427,98 | 26,05 | 3 |
| 2015 | 173 | 4.690,24 | 27,11 | 3 |
| 2016 | 181 | 4.939,24 | 27,29 | 2 |
| 2017 | 183 | 5.090,02 | 27,81 | 2 |
| 2018 | 179 | 4.681,20 | 26,15 | 2 |
| 2019 | 172 | 4.627,61 | 26,90 | 2 |
| 2020 | 162 | 4.298,65 | 26,53 | 2 |
| 2021 | 167 | 3.896,50 | 23,33 | 2 |
| 2022 | 167 | 4.130,17 | 24,73 | 2 |
| 2023 | 169 | 3.710,36 | 21,95 | 2 |
| 2024 | 186 | 3.961,51 | 21,30 | 3 |
| totale | 2.838 | 67.913,49 | 23,93 | 45 |