| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 1.045 | 25.562,03 | 24,46 | 4 |
| 2007 | 1.004 | 25.246,69 | 25,15 | 3 |
| 2008 | 1.311 | 30.959,00 | 23,61 | 3 |
| 2009 | 1.456 | 34.393,75 | 23,62 | 6 |
| 2010 | 1.089 | 24.782,04 | 22,76 | 7 |
| 2011 | 745 | 14.138,78 | 18,98 | 4 |
| 2012 | 620 | 13.430,86 | 21,66 | 5 |
| 2013 | 580 | 12.526,55 | 21,60 | 5 |
| 2014 | 573 | 15.516,99 | 27,08 | 7 |
| 2015 | 548 | 14.209,63 | 25,93 | 6 |
| 2016 | 884 | 23.175,66 | 26,22 | 8 |
| 2017 | 1.084 | 27.443,86 | 25,32 | 9 |
| 2018 | 1.011 | 26.836,25 | 26,54 | 11 |
| 2019 | 854 | 24.313,15 | 28,47 | 10 |
| 2020 | 959 | 25.586,18 | 26,68 | 11 |
| 2021 | 934 | 24.269,76 | 25,98 | 12 |
| 2022 | 961 | 26.581,98 | 27,66 | 12 |
| 2023 | 1.123 | 30.605,61 | 27,25 | 15 |
| 2024 | 1.369 | 31.846,18 | 23,26 | 17 |
| totale | 18.150 | 451.424,95 | 24,87 | 155 |