| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 188 | 5.569,86 | 29,63 | 3 |
| 2007 | 133 | 3.736,03 | 28,09 | 5 |
| 2008 | 91 | 2.904,71 | 31,92 | 6 |
| 2009 | 227 | 6.072,82 | 26,75 | 7 |
| 2010 | 259 | 6.232,64 | 24,06 | 8 |
| 2011 | 214 | 5.932,45 | 27,72 | 6 |
| 2012 | 311 | 8.071,39 | 25,95 | 9 |
| 2013 | 330 | 7.767,92 | 23,54 | 8 |
| 2014 | 372 | 12.083,96 | 32,48 | 9 |
| 2015 | 428 | 15.619,26 | 36,49 | 11 |
| 2016 | 416 | 13.069,92 | 31,42 | 11 |
| 2017 | 380 | 13.082,39 | 34,43 | 11 |
| 2018 | 321 | 13.164,09 | 41,01 | 12 |
| 2019 | 274 | 8.399,89 | 30,66 | 9 |
| 2020 | 279 | 8.802,62 | 31,55 | 10 |
| 2021 | 267 | 9.778,27 | 36,62 | 10 |
| 2022 | 309 | 10.175,65 | 32,93 | 12 |
| 2023 | 399 | 11.280,68 | 28,27 | 13 |
| 2024 | 418 | 11.861,18 | 28,38 | 12 |
| totale | 5.616 | 173.605,73 | 30,91 | 172 |