| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 502 | 14.847,12 | 29,58 | 3 |
| 2007 | 513 | 17.123,88 | 33,38 | 2 |
| 2008 | 2.547 | 74.712,90 | 29,33 | 3 |
| 2009 | 2.974 | 92.016,54 | 30,94 | 6 |
| 2010 | 4.925 | 123.148,46 | 25,00 | 6 |
| 2011 | 2.452 | 63.236,79 | 25,79 | 5 |
| 2012 | 1.744 | 48.436,12 | 27,77 | 6 |
| 2013 | 1.333 | 35.664,69 | 26,76 | 6 |
| 2014 | 1.118 | 38.265,38 | 34,23 | 6 |
| 2015 | 920 | 33.158,86 | 36,04 | 6 |
| 2016 | 775 | 29.210,87 | 37,69 | 6 |
| 2017 | 682 | 25.646,51 | 37,60 | 6 |
| 2018 | 587 | 23.829,30 | 40,60 | 6 |
| 2019 | 540 | 23.040,50 | 42,67 | 6 |
| 2020 | 478 | 19.152,48 | 40,07 | 5 |
| 2021 | 437 | 19.826,72 | 45,37 | 5 |
| 2022 | 376 | 15.535,78 | 41,32 | 5 |
| 2023 | 381 | 13.544,29 | 35,55 | 5 |
| 2024 | 366 | 12.723,62 | 34,76 | 5 |
| totale | 23.650 | 723.120,81 | 30,58 | 98 |