| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 10 | 236,87 | 23,69 | 1 |
| 2007 | 32 | 1.455,18 | 45,47 | 1 |
| 2008 | 45 | 2.615,58 | 58,12 | 1 |
| 2009 | 43 | 3.017,66 | 70,18 | 2 |
| 2010 | 49 | 2.394,87 | 48,87 | 2 |
| 2011 | 34 | 1.399,04 | 41,15 | 1 |
| 2012 | 41 | 1.271,06 | 31,00 | 2 |
| 2013 | 32 | 1.215,76 | 37,99 | 2 |
| 2014 | 24 | 793,77 | 33,07 | 2 |
| 2015 | 19 | 214,90 | 11,31 | 2 |
| 2016 | 18 | 650,09 | 36,12 | 2 |
| 2017 | 14 | 684,96 | 48,93 | 2 |
| 2018 | 13 | 535,79 | 41,21 | 2 |
| 2019 | 11 | 670,90 | 60,99 | 2 |
| 2020 | 9 | 353,12 | 39,24 | 3 |
| 2021 | 117 | 4.015,54 | 34,32 | 3 |
| 2022 | 105 | 3.854,03 | 36,71 | 3 |
| 2023 | 90 | 3.197,46 | 35,53 | 3 |
| 2024 | 175 | 5.510,04 | 31,49 | 3 |
| totale | 881 | 34.086,62 | 38,69 | 39 |