| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 193 | 3.877,17 | 20,09 | 2 |
| 2007 | 224 | 5.118,78 | 22,85 | 4 |
| 2008 | 250 | 5.654,41 | 22,62 | 4 |
| 2009 | 232 | 4.975,74 | 21,45 | 4 |
| 2010 | 185 | 3.519,86 | 19,03 | 3 |
| 2011 | 209 | 4.427,67 | 21,19 | 4 |
| 2012 | 132 | 2.624,73 | 19,88 | 4 |
| 2013 | 127 | 2.738,34 | 21,56 | 4 |
| 2014 | 130 | 3.235,50 | 24,89 | 5 |
| 2015 | 141 | 2.893,89 | 20,52 | 4 |
| 2016 | 141 | 3.081,95 | 21,86 | 5 |
| 2017 | 134 | 3.164,20 | 23,61 | 4 |
| 2018 | 142 | 3.241,94 | 22,83 | 5 |
| 2019 | 138 | 3.226,78 | 23,38 | 5 |
| 2020 | 148 | 3.955,16 | 26,72 | 5 |
| 2021 | 150 | 4.391,89 | 29,28 | 6 |
| 2022 | 162 | 5.163,24 | 31,87 | 6 |
| 2023 | 163 | 5.397,01 | 33,11 | 6 |
| 2024 | 197 | 5.835,12 | 29,62 | 7 |
| totale | 3.198 | 76.523,38 | 23,93 | 87 |