| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 322 | 6.897,78 | 21,42 | 3 |
| 2007 | 186 | 5.017,67 | 26,98 | 2 |
| 2008 | 138 | 3.645,46 | 26,42 | 1 |
| 2009 | 211 | 6.407,62 | 30,37 | 4 |
| 2010 | 198 | 6.524,12 | 32,95 | 4 |
| 2011 | 163 | 4.604,46 | 28,25 | 3 |
| 2012 | 209 | 3.897,76 | 18,65 | 3 |
| 2013 | 248 | 5.107,72 | 20,60 | 3 |
| 2014 | 219 | 4.956,19 | 22,63 | 3 |
| 2015 | 205 | 4.632,67 | 22,60 | 3 |
| 2016 | 193 | 4.354,98 | 22,56 | 3 |
| 2017 | 214 | 5.320,75 | 24,86 | 3 |
| 2018 | 197 | 5.684,93 | 28,86 | 3 |
| 2019 | 53 | 2.190,84 | 41,34 | 2 |
| 2020 | 64 | 2.592,21 | 40,50 | 2 |
| 2021 | 76 | 1.769,35 | 23,28 | 2 |
| 2022 | 55 | 1.005,89 | 18,29 | 1 |
| 2023 | 62 | 1.063,62 | 17,16 | 2 |
| 2024 | 69 | 1.143,72 | 16,58 | 2 |
| totale | 3.082 | 76.817,74 | 24,92 | 49 |