| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 12.342 | 369.405,05 | 29,93 | 8 |
| 2007 | 11.354 | 385.112,94 | 33,92 | 5 |
| 2008 | 10.784 | 358.569,90 | 33,25 | 7 |
| 2009 | 9.193 | 314.370,73 | 34,20 | 9 |
| 2010 | 9.987 | 300.986,79 | 30,14 | 12 |
| 2011 | 9.717 | 285.449,02 | 29,38 | 12 |
| 2012 | 8.385 | 266.082,03 | 31,73 | 15 |
| 2013 | 8.346 | 245.457,40 | 29,41 | 10 |
| 2014 | 8.004 | 292.703,67 | 36,57 | 13 |
| 2015 | 6.971 | 260.905,71 | 37,43 | 12 |
| 2016 | 10.088 | 375.636,70 | 37,24 | 19 |
| 2017 | 9.688 | 361.357,36 | 37,30 | 20 |
| 2018 | 8.714 | 318.285,07 | 36,53 | 19 |
| 2019 | 8.553 | 312.808,37 | 36,57 | 20 |
| 2020 | 7.838 | 309.282,26 | 39,46 | 20 |
| 2021 | 7.642 | 290.343,06 | 37,99 | 23 |
| 2022 | 6.927 | 279.146,00 | 40,30 | 25 |
| 2023 | 6.587 | 256.598,31 | 38,96 | 30 |
| 2024 | 6.433 | 240.328,87 | 37,36 | 34 |
| totale | 167.553 | 5.822.829,24 | 34,75 | 313 |