| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 157 | 4.340,77 | 27,65 | 2 |
| 2007 | 87 | 2.913,49 | 33,49 | 1 |
| 2008 | 87 | 2.737,81 | 31,47 | 1 |
| 2009 | 103 | 3.351,25 | 32,54 | 2 |
| 2010 | 107 | 2.729,75 | 25,51 | 2 |
| 2011 | 99 | 2.456,85 | 24,82 | 1 |
| 2012 | 97 | 3.965,15 | 40,88 | 2 |
| 2013 | 113 | 3.661,78 | 32,41 | 2 |
| 2014 | 122 | 4.126,30 | 33,82 | 2 |
| 2015 | 122 | 3.873,59 | 31,75 | 2 |
| 2016 | 126 | 3.866,84 | 30,69 | 2 |
| 2017 | 128 | 3.686,50 | 28,80 | 2 |
| 2018 | 114 | 2.989,25 | 26,22 | 2 |
| 2019 | 121 | 2.902,50 | 23,99 | 2 |
| 2020 | 131 | 3.076,17 | 23,48 | 2 |
| 2021 | 144 | 3.663,79 | 25,44 | 3 |
| 2022 | 33 | 855,80 | 25,93 | 2 |
| 2023 | 49 | 1.973,55 | 40,28 | 2 |
| 2024 | 132 | 3.592,93 | 27,22 | 4 |
| totale | 2.072 | 60.764,07 | 29,33 | 38 |