| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 1.021 | 21.179,43 | 20,74 | 2 |
| 2007 | 649 | 20.685,43 | 31,87 | 2 |
| 2008 | 565 | 16.411,69 | 29,05 | 3 |
| 2009 | 285 | 6.368,10 | 22,34 | 4 |
| 2010 | 417 | 8.374,81 | 20,08 | 5 |
| 2011 | 415 | 9.454,32 | 22,78 | 5 |
| 2012 | 241 | 4.475,04 | 18,57 | 4 |
| 2013 | 214 | 3.841,76 | 17,95 | 3 |
| 2014 | 255 | 5.615,89 | 22,02 | 3 |
| 2015 | 275 | 5.904,64 | 21,47 | 4 |
| 2016 | 237 | 4.826,54 | 20,37 | 3 |
| 2017 | 234 | 4.733,39 | 20,23 | 4 |
| 2018 | 352 | 6.692,51 | 19,01 | 5 |
| 2019 | 297 | 6.040,88 | 20,34 | 5 |
| 2020 | 173 | 4.013,79 | 23,20 | 5 |
| 2021 | 102 | 2.784,70 | 27,30 | 5 |
| 2022 | 151 | 3.854,72 | 25,53 | 7 |
| 2023 | 336 | 6.243,72 | 18,58 | 7 |
| 2024 | 257 | 7.087,37 | 27,58 | 7 |
| totale | 6.476 | 148.588,73 | 22,94 | 83 |