| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 307 | 5.856,73 | 19,08 | 1 |
| 2007 | 57 | 1.282,99 | 22,51 | 1 |
| 2008 | 107 | 2.721,38 | 25,43 | 2 |
| 2009 | 177 | 4.671,95 | 26,40 | 3 |
| 2010 | 185 | 3.581,29 | 19,36 | 3 |
| 2011 | 90 | 1.694,87 | 18,83 | 2 |
| 2012 | 205 | 3.801,63 | 18,54 | 3 |
| 2013 | 200 | 3.807,70 | 19,04 | 3 |
| 2014 | 182 | 4.259,39 | 23,40 | 3 |
| 2015 | 189 | 4.583,12 | 24,25 | 3 |
| 2016 | 154 | 4.005,75 | 26,01 | 3 |
| 2017 | 175 | 4.330,77 | 24,75 | 5 |
| 2018 | 168 | 4.382,77 | 26,09 | 5 |
| 2019 | 185 | 4.674,21 | 25,27 | 6 |
| 2020 | 170 | 4.985,46 | 29,33 | 5 |
| 2021 | 164 | 4.281,11 | 26,10 | 4 |
| 2022 | 153 | 4.097,15 | 26,78 | 2 |
| 2023 | 154 | 3.669,26 | 23,83 | 3 |
| 2024 | 158 | 3.794,21 | 24,01 | 3 |
| totale | 3.180 | 74.481,74 | 23,42 | 60 |