| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 390 | 7.827,75 | 20,07 | 2 |
| 2007 | 97 | 2.689,00 | 27,72 | 1 |
| 2008 | 141 | 3.810,36 | 27,02 | 1 |
| 2009 | 174 | 4.080,47 | 23,45 | 2 |
| 2010 | 199 | 4.068,06 | 20,44 | 2 |
| 2011 | 113 | 2.033,49 | 18,00 | 1 |
| 2012 | 193 | 3.500,93 | 18,14 | 3 |
| 2013 | 218 | 4.074,47 | 18,69 | 3 |
| 2014 | 206 | 4.911,80 | 23,84 | 4 |
| 2015 | 212 | 5.159,81 | 24,34 | 3 |
| 2016 | 229 | 5.825,20 | 25,44 | 5 |
| 2017 | 222 | 5.532,35 | 24,92 | 5 |
| 2018 | 230 | 5.551,18 | 24,14 | 5 |
| 2019 | 232 | 5.618,85 | 24,22 | 5 |
| 2020 | 274 | 6.829,93 | 24,93 | 5 |
| 2021 | 244 | 5.909,29 | 24,22 | 5 |
| 2022 | 235 | 6.737,17 | 28,67 | 5 |
| 2023 | 212 | 5.541,79 | 26,14 | 6 |
| 2024 | 192 | 5.134,35 | 26,74 | 6 |
| totale | 4.013 | 94.836,25 | 23,63 | 69 |