| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 334 | 6.920,40 | 20,72 | 1 |
| 2007 | 66 | 1.737,77 | 26,33 | 1 |
| 2008 | 75 | 2.021,68 | 26,96 | 1 |
| 2009 | 135 | 3.682,87 | 27,28 | 3 |
| 2010 | 129 | 2.701,27 | 20,94 | 3 |
| 2011 | 107 | 2.244,28 | 20,97 | 2 |
| 2012 | 183 | 4.092,70 | 22,36 | 3 |
| 2013 | 261 | 5.523,96 | 21,16 | 3 |
| 2014 | 243 | 6.471,16 | 26,63 | 3 |
| 2015 | 195 | 5.276,79 | 27,06 | 4 |
| 2016 | 290 | 8.206,25 | 28,30 | 4 |
| 2017 | 261 | 6.914,99 | 26,49 | 5 |
| 2018 | 305 | 8.317,75 | 27,27 | 5 |
| 2019 | 322 | 9.286,62 | 28,84 | 6 |
| 2020 | 294 | 9.953,60 | 33,86 | 6 |
| 2021 | 274 | 8.202,13 | 29,93 | 6 |
| 2022 | 323 | 9.897,93 | 30,64 | 6 |
| 2023 | 387 | 11.095,67 | 28,67 | 6 |
| 2024 | 366 | 9.498,33 | 25,95 | 7 |
| totale | 4.550 | 122.046,15 | 26,82 | 75 |