| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 297 | 4.196,89 | 14,13 | 2 |
| 2007 | 227 | 4.165,50 | 18,35 | 1 |
| 2008 | 270 | 5.130,70 | 19,00 | 1 |
| 2009 | 204 | 3.377,85 | 16,56 | 2 |
| 2010 | 187 | 3.201,22 | 17,12 | 3 |
| 2011 | 171 | 2.785,97 | 16,29 | 1 |
| 2012 | 158 | 3.782,35 | 23,94 | 3 |
| 2013 | 476 | 9.548,12 | 20,06 | 3 |
| 2014 | 702 | 18.562,76 | 26,44 | 3 |
| 2015 | 837 | 21.917,22 | 26,19 | 3 |
| 2016 | 791 | 21.596,59 | 27,30 | 3 |
| 2017 | 749 | 19.556,17 | 26,11 | 4 |
| 2018 | 738 | 20.446,23 | 27,70 | 4 |
| 2019 | 211 | 4.253,85 | 20,16 | 3 |
| 2020 | 552 | 13.431,62 | 24,33 | 3 |
| 2021 | 439 | 10.445,40 | 23,79 | 3 |
| 2022 | 359 | 8.327,30 | 23,20 | 3 |
| 2023 | 200 | 4.163,32 | 20,82 | 3 |
| 2024 | 197 | 3.523,68 | 17,89 | 4 |
| totale | 7.765 | 182.412,74 | 23,49 | 52 |