| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 414 | 13.231,37 | 31,96 | 2 |
| 2007 | 229 | 8.916,20 | 38,94 | 1 |
| 2008 | 217 | 8.021,16 | 36,96 | 1 |
| 2009 | 200 | 6.654,42 | 33,27 | 2 |
| 2010 | 182 | 5.392,80 | 29,63 | 2 |
| 2011 | 155 | 4.516,29 | 29,14 | 1 |
| 2012 | 145 | 4.839,44 | 33,38 | 2 |
| 2013 | 213 | 5.621,70 | 26,39 | 4 |
| 2014 | 351 | 10.559,72 | 30,08 | 4 |
| 2015 | 241 | 8.826,18 | 36,62 | 4 |
| 2016 | 279 | 10.184,94 | 36,51 | 4 |
| 2017 | 281 | 10.341,03 | 36,80 | 4 |
| 2018 | 271 | 9.811,04 | 36,20 | 4 |
| 2019 | 299 | 11.376,66 | 38,05 | 4 |
| 2020 | 195 | 8.442,80 | 43,30 | 3 |
| 2021 | 181 | 7.167,33 | 39,60 | 3 |
| 2022 | 184 | 7.579,75 | 41,19 | 3 |
| 2023 | 193 | 7.669,07 | 39,74 | 4 |
| 2024 | 206 | 7.885,02 | 38,28 | 4 |
| totale | 4.436 | 157.036,92 | 35,40 | 56 |