| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 281 | 5.087,64 | 18,11 | 2 |
| 2007 | 66 | 1.555,70 | 23,57 | 2 |
| 2008 | 83 | 2.493,32 | 30,04 | 2 |
| 2009 | 185 | 4.364,36 | 23,59 | 3 |
| 2010 | 244 | 4.661,44 | 19,10 | 4 |
| 2011 | 130 | 2.674,86 | 20,58 | 2 |
| 2012 | 227 | 4.435,88 | 19,54 | 3 |
| 2013 | 234 | 4.665,11 | 19,94 | 3 |
| 2014 | 238 | 5.835,97 | 24,52 | 3 |
| 2015 | 234 | 4.789,36 | 20,47 | 3 |
| 2016 | 291 | 6.187,79 | 21,26 | 4 |
| 2017 | 288 | 6.705,29 | 23,28 | 5 |
| 2018 | 292 | 6.883,56 | 23,57 | 5 |
| 2019 | 242 | 6.036,58 | 24,94 | 5 |
| 2020 | 244 | 6.936,06 | 28,43 | 5 |
| 2021 | 222 | 5.414,68 | 24,39 | 5 |
| 2022 | 214 | 5.636,86 | 26,34 | 5 |
| 2023 | 232 | 7.496,71 | 32,31 | 6 |
| 2024 | 234 | 6.297,74 | 26,91 | 6 |
| totale | 4.181 | 98.158,91 | 23,48 | 73 |