| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 296 | 5.361,23 | 18,11 | 3 |
| 2007 | 200 | 4.299,97 | 21,50 | 2 |
| 2008 | 202 | 5.223,78 | 25,86 | 1 |
| 2009 | 243 | 5.585,48 | 22,99 | 3 |
| 2010 | 262 | 5.078,15 | 19,38 | 3 |
| 2011 | 209 | 3.602,05 | 17,23 | 1 |
| 2012 | 325 | 5.895,47 | 18,14 | 4 |
| 2013 | 96 | 1.451,50 | 15,12 | 2 |
| 2014 | 292 | 5.621,45 | 19,25 | 3 |
| 2015 | 287 | 6.328,08 | 22,05 | 3 |
| 2016 | 232 | 5.060,37 | 21,81 | 2 |
| 2017 | 201 | 4.836,29 | 24,06 | 2 |
| 2018 | 205 | 4.828,76 | 23,55 | 2 |
| 2019 | 194 | 3.933,34 | 20,27 | 2 |
| 2020 | 210 | 5.119,77 | 24,38 | 3 |
| 2021 | 184 | 4.324,49 | 23,50 | 3 |
| 2022 | 194 | 4.517,03 | 23,28 | 4 |
| 2023 | 273 | 7.902,23 | 28,95 | 8 |
| 2024 | 343 | 8.215,20 | 23,95 | 10 |
| totale | 4.448 | 97.184,64 | 21,85 | 61 |