| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 1.132 | 14.376,45 | 12,70 | 3 |
| 2007 | 248 | 4.237,11 | 17,09 | 1 |
| 2008 | 209 | 4.313,78 | 20,64 | 3 |
| 2009 | 616 | 11.026,66 | 17,90 | 7 |
| 2010 | 1.339 | 22.910,72 | 17,11 | 10 |
| 2011 | 1.543 | 27.283,92 | 17,68 | 7 |
| 2012 | 1.817 | 35.883,26 | 19,75 | 10 |
| 2013 | 2.299 | 43.677,52 | 19,00 | 10 |
| 2014 | 2.655 | 65.839,23 | 24,80 | 14 |
| 2015 | 2.205 | 54.006,83 | 24,49 | 15 |
| 2016 | 2.108 | 52.326,62 | 24,82 | 17 |
| 2017 | 2.253 | 58.257,34 | 25,86 | 23 |
| 2018 | 2.423 | 62.328,01 | 25,72 | 23 |
| 2019 | 2.383 | 59.731,81 | 25,07 | 21 |
| 2020 | 2.629 | 64.223,02 | 24,43 | 23 |
| 2021 | 2.421 | 62.929,41 | 25,99 | 23 |
| 2022 | 2.233 | 59.019,26 | 26,43 | 24 |
| 2023 | 2.243 | 56.306,73 | 25,10 | 31 |
| 2024 | 2.022 | 52.648,38 | 26,04 | 34 |
| totale | 34.778 | 811.326,06 | 23,33 | 299 |