| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 1.378 | 27.693,14 | 20,10 | 7 |
| 2007 | 869 | 21.248,33 | 24,45 | 5 |
| 2008 | 483 | 11.526,27 | 23,86 | 3 |
| 2009 | 951 | 20.199,41 | 21,24 | 6 |
| 2010 | 1.211 | 19.386,09 | 16,01 | 6 |
| 2011 | 903 | 14.898,12 | 16,50 | 5 |
| 2012 | 1.068 | 19.450,71 | 18,21 | 10 |
| 2013 | 1.116 | 18.846,21 | 16,89 | 9 |
| 2014 | 869 | 19.259,41 | 22,16 | 5 |
| 2015 | 1.138 | 25.118,22 | 22,07 | 8 |
| 2016 | 1.145 | 25.311,61 | 22,11 | 8 |
| 2017 | 1.136 | 25.568,90 | 22,51 | 7 |
| 2018 | 1.113 | 25.301,83 | 22,73 | 8 |
| 2019 | 1.051 | 23.258,54 | 22,13 | 8 |
| 2020 | 1.053 | 25.519,04 | 24,23 | 9 |
| 2021 | 961 | 21.859,32 | 22,75 | 8 |
| 2022 | 996 | 26.192,10 | 26,30 | 7 |
| 2023 | 990 | 24.608,03 | 24,86 | 8 |
| 2024 | 879 | 21.297,47 | 24,23 | 8 |
| totale | 19.310 | 416.542,75 | 21,57 | 135 |