| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 203 | 7.850,04 | 38,67 | 2 |
| 2007 | 169 | 6.600,00 | 39,05 | 2 |
| 2008 | 267 | 9.347,78 | 35,01 | 2 |
| 2009 | 262 | 8.269,49 | 31,56 | 3 |
| 2010 | 273 | 7.717,18 | 28,27 | 4 |
| 2011 | 267 | 7.302,65 | 27,35 | 2 |
| 2012 | 239 | 7.907,71 | 33,09 | 3 |
| 2013 | 243 | 7.789,80 | 32,06 | 4 |
| 2014 | 237 | 8.232,97 | 34,74 | 3 |
| 2015 | 233 | 8.095,70 | 34,75 | 3 |
| 2016 | 255 | 9.203,73 | 36,09 | 3 |
| 2017 | 281 | 11.169,20 | 39,75 | 3 |
| 2018 | 264 | 10.061,95 | 38,11 | 3 |
| 2019 | 259 | 12.474,58 | 48,16 | 3 |
| 2020 | 231 | 7.370,34 | 31,91 | 3 |
| 2021 | 221 | 6.845,44 | 30,97 | 3 |
| 2022 | 227 | 7.208,84 | 31,76 | 3 |
| 2023 | 212 | 6.778,11 | 31,97 | 3 |
| 2024 | 193 | 6.276,67 | 32,52 | 4 |
| totale | 4.536 | 156.502,18 | 34,50 | 56 |