| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 130 | 6.185,76 | 47,58 | 2 |
| 2007 | 295 | 8.176,77 | 27,72 | 1 |
| 2008 | 229 | 5.336,16 | 23,30 | 2 |
| 2009 | 83 | 2.812,11 | 33,88 | 3 |
| 2010 | 132 | 4.104,78 | 31,10 | 4 |
| 2011 | 122 | 3.680,77 | 30,17 | 2 |
| 2012 | 246 | 7.484,96 | 30,43 | 4 |
| 2013 | 304 | 7.888,33 | 25,95 | 4 |
| 2014 | 232 | 8.396,60 | 36,19 | 4 |
| 2015 | 238 | 8.777,70 | 36,88 | 4 |
| 2016 | 201 | 8.181,13 | 40,70 | 4 |
| 2017 | 200 | 8.309,77 | 41,55 | 4 |
| 2018 | 197 | 8.429,30 | 42,79 | 4 |
| 2019 | 260 | 9.144,77 | 35,17 | 4 |
| 2020 | 204 | 7.990,99 | 39,17 | 4 |
| 2021 | 191 | 7.044,12 | 36,88 | 4 |
| 2022 | 167 | 6.793,45 | 40,68 | 4 |
| 2023 | 183 | 8.550,70 | 46,73 | 5 |
| 2024 | 184 | 7.263,83 | 39,48 | 5 |
| totale | 3.798 | 134.552,00 | 35,43 | 68 |