| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 259 | 3.752,90 | 14,49 | 2 |
| 2007 | 214 | 3.622,77 | 16,93 | 1 |
| 2008 | 217 | 3.826,33 | 17,63 | 1 |
| 2009 | 259 | 4.651,12 | 17,96 | 2 |
| 2010 | 279 | 4.110,50 | 14,73 | 2 |
| 2012 | 242 | 3.852,57 | 15,92 | 2 |
| 2013 | 253 | 3.830,11 | 15,14 | 2 |
| 2014 | 260 | 4.886,24 | 18,79 | 3 |
| 2015 | 237 | 4.526,24 | 19,10 | 3 |
| 2016 | 227 | 4.204,28 | 18,52 | 3 |
| 2017 | 224 | 3.954,06 | 17,65 | 3 |
| 2018 | 226 | 4.217,65 | 18,66 | 4 |
| 2019 | 235 | 4.290,01 | 18,26 | 4 |
| 2020 | 230 | 4.224,76 | 18,37 | 4 |
| 2021 | 213 | 4.002,08 | 18,79 | 4 |
| 2022 | 212 | 4.734,56 | 22,33 | 4 |
| 2023 | 202 | 4.332,71 | 21,45 | 5 |
| 2024 | 204 | 4.200,07 | 20,59 | 5 |
| totale | 4.193 | 75.218,96 | 17,94 | 54 |