| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 149 | 2.435,90 | 16,35 | 2 |
| 2007 | 87 | 1.857,37 | 21,35 | 1 |
| 2009 | 138 | 2.021,27 | 14,65 | 2 |
| 2010 | 151 | 2.143,18 | 14,19 | 2 |
| 2011 | 12 | 116,50 | 9,71 | 1 |
| 2012 | 134 | 2.402,24 | 17,93 | 2 |
| 2013 | 137 | 2.289,72 | 16,71 | 2 |
| 2014 | 142 | 2.632,25 | 18,54 | 2 |
| 2015 | 137 | 2.683,64 | 19,59 | 2 |
| 2016 | 124 | 2.691,54 | 21,71 | 2 |
| 2017 | 204 | 3.928,95 | 19,26 | 3 |
| 2018 | 222 | 4.524,09 | 20,38 | 3 |
| 2019 | 232 | 4.651,95 | 20,05 | 3 |
| 2020 | 240 | 5.521,93 | 23,01 | 3 |
| 2021 | 207 | 4.693,75 | 22,68 | 3 |
| 2022 | 209 | 4.960,61 | 23,73 | 3 |
| 2023 | 197 | 4.695,85 | 23,84 | 3 |
| 2024 | 188 | 3.995,84 | 21,25 | 4 |
| totale | 2.910 | 58.246,58 | 20,02 | 43 |