| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 151 | 2.057,65 | 13,63 | 1 |
| 2008 | 272 | 6.854,30 | 25,20 | 1 |
| 2009 | 277 | 7.318,85 | 26,42 | 2 |
| 2010 | 296 | 6.640,13 | 22,43 | 2 |
| 2011 | 54 | 1.093,94 | 20,26 | 1 |
| 2012 | 141 | 2.494,64 | 17,69 | 2 |
| 2013 | 313 | 5.217,86 | 16,67 | 3 |
| 2014 | 183 | 3.151,23 | 17,22 | 2 |
| 2015 | 231 | 4.783,99 | 20,71 | 3 |
| 2016 | 212 | 5.098,75 | 24,05 | 3 |
| 2017 | 210 | 4.755,73 | 22,65 | 4 |
| 2018 | 167 | 3.622,32 | 21,69 | 4 |
| 2019 | 184 | 4.416,54 | 24,00 | 4 |
| 2020 | 174 | 4.447,43 | 25,56 | 4 |
| 2021 | 181 | 4.323,52 | 23,89 | 4 |
| 2022 | 125 | 3.323,38 | 26,59 | 4 |
| 2023 | 109 | 2.439,55 | 22,38 | 5 |
| 2024 | 142 | 2.583,42 | 18,19 | 5 |
| totale | 3.422 | 74.623,23 | 21,81 | 54 |