| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 272 | 3.312,39 | 12,18 | 2 |
| 2007 | 72 | 976,24 | 13,56 | 1 |
| 2008 | 362 | 4.918,30 | 13,59 | 1 |
| 2009 | 4 | 18,30 | 4,58 | 1 |
| 2010 | 331 | 3.818,26 | 11,54 | 2 |
| 2011 | 260 | 2.925,93 | 11,25 | 1 |
| 2012 | 380 | 4.070,72 | 10,71 | 2 |
| 2013 | 325 | 3.239,11 | 9,97 | 2 |
| 2014 | 433 | 5.350,94 | 12,36 | 3 |
| 2015 | 136 | 2.298,98 | 16,90 | 2 |
| 2016 | 121 | 2.196,12 | 18,15 | 3 |
| 2017 | 115 | 1.954,55 | 17,00 | 3 |
| 2018 | 194 | 2.868,86 | 14,79 | 3 |
| 2019 | 230 | 3.440,45 | 14,96 | 3 |
| 2020 | 207 | 3.653,26 | 17,65 | 3 |
| 2021 | 214 | 3.314,79 | 15,49 | 2 |
| 2022 | 175 | 3.052,53 | 17,44 | 2 |
| 2023 | 184 | 2.660,78 | 14,46 | 2 |
| 2024 | 184 | 2.872,79 | 15,61 | 4 |
| totale | 4.199 | 56.943,30 | 13,56 | 42 |