| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 247 | 5.345,73 | 21,64 | 3 |
| 2007 | 112 | 5.003,39 | 44,67 | 2 |
| 2008 | 101 | 4.398,93 | 43,55 | 2 |
| 2009 | 104 | 3.466,54 | 33,33 | 2 |
| 2010 | 59 | 1.457,40 | 24,70 | 2 |
| 2011 | 100 | 4.059,40 | 40,59 | 1 |
| 2012 | 111 | 3.823,35 | 34,44 | 2 |
| 2013 | 92 | 2.053,28 | 22,32 | 2 |
| 2014 | 71 | 3.255,36 | 45,85 | 3 |
| 2015 | 66 | 3.067,99 | 46,48 | 2 |
| 2016 | 65 | 2.084,07 | 32,06 | 3 |
| 2017 | 50 | 1.738,33 | 34,77 | 3 |
| 2018 | 78 | 2.319,89 | 29,74 | 3 |
| 2019 | 76 | 2.475,34 | 32,57 | 3 |
| 2020 | 77 | 2.268,16 | 29,46 | 3 |
| 2021 | 64 | 1.737,36 | 27,15 | 3 |
| 2022 | 60 | 2.043,98 | 34,07 | 3 |
| 2023 | 45 | 1.226,94 | 27,27 | 3 |
| 2024 | 46 | 1.307,53 | 28,42 | 3 |
| totale | 1.624 | 53.132,97 | 32,72 | 48 |