| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 672 | 16.962,75 | 25,24 | 3 |
| 2007 | 116 | 5.015,32 | 43,24 | 2 |
| 2008 | 263 | 9.789,46 | 37,22 | 3 |
| 2009 | 766 | 25.096,19 | 32,76 | 8 |
| 2010 | 352 | 10.242,29 | 29,10 | 7 |
| 2011 | 298 | 9.945,09 | 33,37 | 4 |
| 2012 | 817 | 30.426,30 | 37,24 | 6 |
| 2013 | 750 | 27.237,67 | 36,32 | 7 |
| 2014 | 667 | 23.162,38 | 34,73 | 9 |
| 2015 | 738 | 27.793,81 | 37,66 | 10 |
| 2016 | 836 | 29.106,92 | 34,82 | 11 |
| 2017 | 1.038 | 37.852,29 | 36,47 | 17 |
| 2018 | 1.076 | 36.541,71 | 33,96 | 20 |
| 2019 | 1.153 | 38.815,80 | 33,67 | 22 |
| 2020 | 1.267 | 43.439,49 | 34,29 | 25 |
| 2021 | 1.074 | 40.364,18 | 37,58 | 26 |
| 2022 | 958 | 34.365,40 | 35,87 | 27 |
| 2023 | 1.123 | 36.725,50 | 32,70 | 27 |
| 2024 | 1.371 | 39.964,29 | 29,15 | 27 |
| totale | 15.335 | 522.846,84 | 34,10 | 261 |