| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 315 | 9.626,37 | 30,56 | 3 |
| 2007 | 145 | 4.327,03 | 29,84 | 2 |
| 2008 | 201 | 7.461,01 | 37,12 | 3 |
| 2009 | 215 | 7.668,17 | 35,67 | 4 |
| 2010 | 228 | 6.982,96 | 30,63 | 5 |
| 2011 | 192 | 5.259,64 | 27,39 | 3 |
| 2012 | 207 | 6.514,26 | 31,47 | 3 |
| 2013 | 188 | 5.245,02 | 27,90 | 3 |
| 2014 | 235 | 8.298,91 | 35,31 | 4 |
| 2015 | 246 | 8.735,84 | 35,51 | 4 |
| 2016 | 256 | 10.062,20 | 39,31 | 4 |
| 2017 | 205 | 9.545,01 | 46,56 | 4 |
| 2018 | 205 | 8.527,68 | 41,60 | 5 |
| 2019 | 214 | 9.124,38 | 42,64 | 5 |
| 2020 | 206 | 9.439,91 | 45,82 | 5 |
| 2021 | 175 | 7.643,82 | 43,68 | 5 |
| 2022 | 91 | 3.851,92 | 42,33 | 3 |
| 2023 | 91 | 3.568,45 | 39,21 | 3 |
| 2024 | 67 | 3.072,17 | 45,85 | 3 |
| totale | 3.682 | 134.954,75 | 36,65 | 71 |