| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 132 | 1.987,93 | 15,06 | 3 |
| 2007 | 86 | 1.702,30 | 19,79 | 1 |
| 2008 | 73 | 1.654,18 | 22,66 | 1 |
| 2009 | 68 | 1.425,54 | 20,96 | 2 |
| 2010 | 79 | 1.244,47 | 15,75 | 2 |
| 2011 | 64 | 938,08 | 14,66 | 1 |
| 2012 | 107 | 1.559,72 | 14,58 | 2 |
| 2013 | 110 | 1.525,55 | 13,87 | 2 |
| 2014 | 94 | 1.772,77 | 18,86 | 2 |
| 2015 | 83 | 1.456,39 | 17,55 | 2 |
| 2016 | 110 | 2.170,84 | 19,73 | 3 |
| 2017 | 102 | 2.066,73 | 20,26 | 3 |
| 2018 | 88 | 1.535,49 | 17,45 | 2 |
| 2019 | 96 | 1.732,37 | 18,05 | 2 |
| 2020 | 89 | 1.662,53 | 18,68 | 2 |
| 2021 | 78 | 1.490,50 | 19,11 | 2 |
| 2022 | 23 | 416,05 | 18,09 | 1 |
| 2023 | 36 | 1.160,10 | 32,23 | 2 |
| 2024 | 27 | 649,39 | 24,05 | 2 |
| totale | 1.545 | 28.150,93 | 18,22 | 37 |