| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 301 | 8.546,61 | 28,39 | 2 |
| 2008 | 203 | 6.260,46 | 30,84 | 1 |
| 2009 | 188 | 5.910,46 | 31,44 | 2 |
| 2010 | 231 | 6.761,47 | 29,27 | 3 |
| 2011 | 137 | 3.726,24 | 27,20 | 1 |
| 2012 | 309 | 7.203,13 | 23,31 | 3 |
| 2013 | 209 | 5.804,25 | 27,77 | 4 |
| 2014 | 276 | 8.124,30 | 29,44 | 4 |
| 2015 | 189 | 6.974,52 | 36,90 | 4 |
| 2016 | 153 | 5.592,43 | 36,55 | 4 |
| 2017 | 147 | 5.439,27 | 37,00 | 4 |
| 2018 | 202 | 7.088,83 | 35,09 | 4 |
| 2019 | 136 | 5.167,09 | 37,99 | 5 |
| 2020 | 121 | 4.609,20 | 38,09 | 5 |
| 2021 | 102 | 3.465,73 | 33,98 | 4 |
| 2022 | 95 | 2.834,27 | 29,83 | 4 |
| 2023 | 62 | 1.406,94 | 22,69 | 3 |
| 2024 | 48 | 974,17 | 20,30 | 3 |
| totale | 3.109 | 95.889,37 | 30,84 | 60 |