| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 347 | 14.375,02 | 41,43 | 2 |
| 2007 | 93 | 8.212,21 | 88,30 | 1 |
| 2008 | 115 | 12.517,86 | 108,85 | 1 |
| 2009 | 259 | 13.562,35 | 52,36 | 2 |
| 2010 | 234 | 15.533,85 | 66,38 | 2 |
| 2011 | 109 | 9.095,71 | 83,45 | 1 |
| 2012 | 255 | 15.662,79 | 61,42 | 2 |
| 2013 | 254 | 11.534,71 | 45,41 | 2 |
| 2014 | 222 | 12.383,48 | 55,78 | 2 |
| 2015 | 219 | 12.051,68 | 55,03 | 2 |
| 2016 | 210 | 11.547,22 | 54,99 | 2 |
| 2017 | 216 | 11.155,04 | 51,64 | 3 |
| 2018 | 255 | 12.690,97 | 49,77 | 3 |
| 2019 | 229 | 13.442,29 | 58,70 | 3 |
| 2020 | 167 | 8.623,42 | 51,64 | 3 |
| 2021 | 159 | 8.869,52 | 55,78 | 3 |
| 2022 | 179 | 10.079,09 | 56,31 | 3 |
| 2023 | 185 | 10.757,70 | 58,15 | 3 |
| 2024 | 204 | 14.523,91 | 71,20 | 4 |
| totale | 3.911 | 226.618,82 | 57,94 | 44 |