| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 370 | 9.996,49 | 27,02 | 4 |
| 2007 | 274 | 8.732,22 | 31,87 | 4 |
| 2008 | 305 | 10.132,27 | 33,22 | 4 |
| 2009 | 436 | 12.865,34 | 29,51 | 5 |
| 2010 | 522 | 12.521,94 | 23,99 | 5 |
| 2011 | 499 | 11.389,55 | 22,82 | 3 |
| 2012 | 521 | 12.164,37 | 23,35 | 5 |
| 2013 | 583 | 12.909,38 | 22,14 | 6 |
| 2014 | 710 | 19.473,67 | 27,43 | 6 |
| 2015 | 732 | 19.710,48 | 26,93 | 6 |
| 2016 | 753 | 20.057,52 | 26,64 | 6 |
| 2017 | 791 | 20.595,71 | 26,04 | 6 |
| 2018 | 789 | 20.429,16 | 25,89 | 6 |
| 2019 | 749 | 19.947,37 | 26,63 | 5 |
| 2020 | 717 | 19.869,32 | 27,71 | 5 |
| 2021 | 670 | 18.631,67 | 27,81 | 5 |
| 2022 | 644 | 17.695,43 | 27,48 | 5 |
| 2023 | 669 | 18.907,48 | 28,26 | 6 |
| 2024 | 662 | 18.053,37 | 27,27 | 7 |
| totale | 11.396 | 304.082,74 | 26,68 | 99 |