| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 3.972 | 142.238,27 | 35,81 | 17 |
| 2007 | 4.265 | 161.868,78 | 37,95 | 18 |
| 2008 | 4.974 | 191.062,68 | 38,41 | 20 |
| 2009 | 4.486 | 161.242,41 | 35,94 | 26 |
| 2010 | 4.511 | 140.553,07 | 31,16 | 30 |
| 2011 | 4.684 | 135.068,60 | 28,84 | 25 |
| 2012 | 4.958 | 151.173,71 | 30,49 | 33 |
| 2013 | 4.948 | 139.523,83 | 28,20 | 31 |
| 2014 | 4.925 | 179.196,24 | 36,39 | 34 |
| 2015 | 4.868 | 185.501,00 | 38,11 | 34 |
| 2016 | 5.166 | 185.413,81 | 35,89 | 32 |
| 2017 | 5.146 | 180.558,22 | 35,09 | 34 |
| 2018 | 4.250 | 169.152,61 | 39,80 | 34 |
| 2019 | 4.316 | 158.098,13 | 36,63 | 34 |
| 2020 | 3.803 | 146.443,09 | 38,51 | 35 |
| 2021 | 3.769 | 136.217,17 | 36,14 | 36 |
| 2022 | 3.886 | 149.717,49 | 38,53 | 40 |
| 2023 | 3.930 | 148.183,55 | 37,71 | 45 |
| 2024 | 4.948 | 179.056,43 | 36,19 | 56 |
| totale | 85.805 | 3.040.269,09 | 35,43 | 614 |