| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 67 | 1.710,35 | 25,53 | 2 |
| 2007 | 81 | 1.757,45 | 21,70 | 2 |
| 2008 | 89 | 1.864,73 | 20,95 | 1 |
| 2009 | 80 | 1.562,11 | 19,53 | 2 |
| 2010 | 165 | 2.686,43 | 16,28 | 2 |
| 2011 | 153 | 2.541,21 | 16,61 | 1 |
| 2012 | 158 | 2.535,20 | 16,05 | 2 |
| 2013 | 150 | 2.389,68 | 15,93 | 3 |
| 2014 | 73 | 1.480,38 | 20,28 | 3 |
| 2015 | 138 | 2.383,37 | 17,27 | 3 |
| 2016 | 129 | 2.301,14 | 17,84 | 3 |
| 2017 | 128 | 2.184,93 | 17,07 | 4 |
| 2018 | 103 | 1.608,47 | 15,62 | 3 |
| 2019 | 95 | 1.463,05 | 15,40 | 3 |
| 2020 | 46 | 706,65 | 15,36 | 3 |
| 2021 | 36 | 401,91 | 11,16 | 3 |
| 2022 | 42 | 511,99 | 12,19 | 3 |
| 2023 | 37 | 526,37 | 14,23 | 3 |
| 2024 | 61 | 1.523,24 | 24,97 | 4 |
| totale | 1.831 | 32.138,66 | 17,55 | 50 |