| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 166 | 4.658,02 | 28,06 | 2 |
| 2007 | 33 | 788,29 | 23,89 | 1 |
| 2008 | 131 | 5.680,25 | 43,36 | 1 |
| 2009 | 130 | 5.840,13 | 44,92 | 2 |
| 2010 | 128 | 4.250,96 | 33,21 | 2 |
| 2011 | 116 | 3.423,61 | 29,51 | 1 |
| 2012 | 246 | 7.384,08 | 30,02 | 3 |
| 2013 | 291 | 7.748,39 | 26,63 | 3 |
| 2014 | 295 | 10.954,48 | 37,13 | 3 |
| 2015 | 351 | 13.163,29 | 37,50 | 3 |
| 2016 | 427 | 15.094,97 | 35,35 | 3 |
| 2017 | 513 | 16.832,83 | 32,81 | 3 |
| 2018 | 470 | 13.707,46 | 29,16 | 3 |
| 2019 | 87 | 2.448,67 | 28,15 | 2 |
| 2020 | 97 | 3.141,44 | 32,39 | 3 |
| 2021 | 88 | 3.102,49 | 35,26 | 3 |
| 2022 | 73 | 2.728,39 | 37,38 | 2 |
| 2023 | 57 | 1.781,31 | 31,25 | 4 |
| 2024 | 60 | 1.896,37 | 31,61 | 4 |
| totale | 3.759 | 124.625,43 | 33,15 | 48 |