| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 178 | 4.047,00 | 22,74 | 3 |
| 2007 | 62 | 2.043,95 | 32,97 | 3 |
| 2008 | 219 | 5.818,49 | 26,57 | 4 |
| 2009 | 229 | 5.868,63 | 25,63 | 5 |
| 2010 | 214 | 4.913,80 | 22,96 | 5 |
| 2011 | 361 | 8.724,62 | 24,17 | 4 |
| 2012 | 323 | 8.230,19 | 25,48 | 5 |
| 2013 | 276 | 6.594,26 | 23,89 | 5 |
| 2014 | 278 | 8.310,32 | 29,89 | 5 |
| 2015 | 289 | 8.767,94 | 30,34 | 6 |
| 2016 | 308 | 10.190,95 | 33,09 | 6 |
| 2017 | 310 | 9.104,54 | 29,37 | 6 |
| 2018 | 300 | 9.040,45 | 30,13 | 6 |
| 2019 | 312 | 9.160,34 | 29,36 | 6 |
| 2020 | 290 | 9.622,67 | 33,18 | 6 |
| 2021 | 296 | 9.596,12 | 32,42 | 6 |
| 2022 | 289 | 11.293,72 | 39,08 | 6 |
| 2023 | 301 | 11.456,13 | 38,06 | 7 |
| 2024 | 300 | 9.632,34 | 32,11 | 7 |
| totale | 5.135 | 152.416,46 | 29,68 | 101 |