| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 162 | 2.495,31 | 15,40 | 3 |
| 2007 | 8 | 342,71 | 42,84 | 1 |
| 2008 | 22 | 636,67 | 28,94 | 3 |
| 2009 | 65 | 1.533,32 | 23,59 | 3 |
| 2010 | 41 | 1.231,89 | 30,05 | 2 |
| 2011 | 11 | 395,19 | 35,93 | 1 |
| 2012 | 101 | 2.676,62 | 26,50 | 3 |
| 2013 | 96 | 2.408,59 | 25,09 | 3 |
| 2014 | 89 | 2.894,38 | 32,52 | 3 |
| 2015 | 81 | 2.082,43 | 25,71 | 3 |
| 2016 | 75 | 2.015,94 | 26,88 | 3 |
| 2017 | 88 | 2.034,97 | 23,12 | 3 |
| 2018 | 73 | 1.799,49 | 24,65 | 4 |
| 2019 | 79 | 1.915,90 | 24,25 | 4 |
| 2020 | 82 | 3.450,49 | 42,08 | 3 |
| 2021 | 72 | 2.153,13 | 29,90 | 3 |
| 2022 | 73 | 2.423,79 | 33,20 | 2 |
| 2023 | 69 | 1.998,41 | 28,96 | 2 |
| 2024 | 69 | 1.935,55 | 28,05 | 2 |
| totale | 1.356 | 36.424,78 | 26,86 | 51 |