| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 96 | 1.699,86 | 17,71 | 2 |
| 2007 | 84 | 1.654,63 | 19,70 | 3 |
| 2008 | 27 | 631,79 | 23,40 | 2 |
| 2009 | 92 | 1.928,55 | 20,96 | 4 |
| 2010 | 87 | 1.651,89 | 18,99 | 4 |
| 2011 | 58 | 1.001,24 | 17,26 | 3 |
| 2012 | 58 | 1.160,92 | 20,02 | 4 |
| 2013 | 71 | 1.300,59 | 18,32 | 4 |
| 2014 | 83 | 1.973,94 | 23,78 | 4 |
| 2015 | 83 | 1.700,60 | 20,49 | 4 |
| 2016 | 130 | 2.951,25 | 22,70 | 7 |
| 2017 | 164 | 3.204,35 | 19,54 | 7 |
| 2018 | 150 | 2.869,70 | 19,13 | 6 |
| 2019 | 129 | 2.338,65 | 18,13 | 6 |
| 2020 | 126 | 2.511,59 | 19,93 | 6 |
| 2021 | 132 | 2.615,12 | 19,81 | 6 |
| 2022 | 127 | 2.523,26 | 19,87 | 6 |
| 2023 | 104 | 1.982,34 | 19,06 | 6 |
| 2024 | 116 | 2.260,48 | 19,49 | 6 |
| totale | 1.917 | 37.960,75 | 19,80 | 90 |