| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 567 | 15.391,10 | 27,14 | 3 |
| 2007 | 992 | 29.789,58 | 30,03 | 2 |
| 2008 | 935 | 28.695,68 | 30,69 | 2 |
| 2009 | 934 | 27.976,11 | 29,95 | 4 |
| 2010 | 552 | 11.489,31 | 20,81 | 5 |
| 2011 | 537 | 11.418,20 | 21,26 | 3 |
| 2012 | 435 | 10.223,62 | 23,50 | 4 |
| 2013 | 400 | 9.158,08 | 22,90 | 6 |
| 2014 | 328 | 9.090,81 | 27,72 | 5 |
| 2015 | 346 | 8.592,45 | 24,83 | 6 |
| 2016 | 260 | 7.064,35 | 27,17 | 5 |
| 2017 | 266 | 6.745,16 | 25,36 | 6 |
| 2018 | 234 | 5.988,88 | 25,59 | 5 |
| 2019 | 246 | 6.506,43 | 26,45 | 6 |
| 2020 | 165 | 5.080,68 | 30,79 | 6 |
| 2021 | 207 | 5.613,47 | 27,12 | 7 |
| 2022 | 185 | 4.609,24 | 24,91 | 9 |
| 2023 | 202 | 5.265,84 | 26,07 | 10 |
| 2024 | 229 | 7.088,66 | 30,95 | 12 |
| totale | 8.020 | 215.787,65 | 26,91 | 106 |