| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 234 | 5.709,55 | 24,40 | 2 |
| 2007 | 45 | 1.230,73 | 27,35 | 1 |
| 2008 | 37 | 1.054,32 | 28,50 | 1 |
| 2009 | 111 | 3.413,50 | 30,75 | 2 |
| 2010 | 56 | 1.344,05 | 24,00 | 2 |
| 2011 | 73 | 1.441,72 | 19,75 | 2 |
| 2012 | 165 | 4.045,54 | 24,52 | 3 |
| 2013 | 136 | 3.353,22 | 24,66 | 3 |
| 2014 | 141 | 3.793,55 | 26,90 | 3 |
| 2015 | 123 | 3.564,14 | 28,98 | 3 |
| 2016 | 124 | 3.632,42 | 29,29 | 3 |
| 2017 | 196 | 5.661,60 | 28,89 | 4 |
| 2018 | 184 | 5.134,30 | 27,90 | 4 |
| 2019 | 200 | 5.389,00 | 26,95 | 4 |
| 2020 | 169 | 4.971,24 | 29,42 | 4 |
| 2021 | 186 | 5.424,05 | 29,16 | 5 |
| 2022 | 160 | 4.083,81 | 25,52 | 5 |
| 2023 | 143 | 3.847,96 | 26,91 | 5 |
| 2024 | 140 | 3.498,96 | 24,99 | 5 |
| totale | 2.623 | 70.593,66 | 26,91 | 61 |