| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 224 | 3.884,19 | 17,34 | 2 |
| 2007 | 149 | 3.503,90 | 23,52 | 1 |
| 2008 | 202 | 4.794,82 | 23,74 | 1 |
| 2009 | 244 | 5.419,59 | 22,21 | 2 |
| 2010 | 265 | 4.826,78 | 18,21 | 2 |
| 2011 | 149 | 2.766,64 | 18,57 | 1 |
| 2012 | 173 | 3.491,89 | 20,18 | 2 |
| 2013 | 62 | 1.007,09 | 16,24 | 2 |
| 2014 | 59 | 1.227,23 | 20,80 | 1 |
| 2015 | 55 | 1.195,62 | 21,74 | 1 |
| 2016 | 53 | 1.162,64 | 21,94 | 1 |
| 2017 | 48 | 840,09 | 17,50 | 1 |
| 2018 | 32 | 588,65 | 18,40 | 1 |
| 2019 | 42 | 941,78 | 22,42 | 1 |
| 2020 | 51 | 1.140,86 | 22,37 | 1 |
| 2021 | 52 | 1.323,31 | 25,45 | 2 |
| 2022 | 54 | 1.175,50 | 21,77 | 2 |
| 2023 | 55 | 1.123,92 | 20,43 | 2 |
| 2024 | 73 | 1.628,85 | 22,31 | 2 |
| totale | 2.042 | 42.043,35 | 20,59 | 28 |