| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 17 | 276,23 | 16,25 | 1 |
| 2009 | 3 | 124,54 | 41,51 | 1 |
| 2010 | 1 | 67,96 | 67,96 | 2 |
| 2011 | 75 | 2.446,25 | 32,62 | 1 |
| 2012 | 2 | 101,74 | 50,87 | 1 |
| 2013 | 4 | 252,01 | 63,00 | 1 |
| 2014 | 69 | 1.953,85 | 28,32 | 2 |
| 2015 | 73 | 2.236,27 | 30,63 | 2 |
| 2016 | 72 | 2.055,00 | 28,54 | 2 |
| 2017 | 105 | 3.194,49 | 30,42 | 2 |
| 2018 | 88 | 3.194,37 | 36,30 | 2 |
| 2019 | 92 | 3.595,17 | 39,08 | 2 |
| 2020 | 82 | 3.081,17 | 37,58 | 2 |
| 2021 | 80 | 3.419,12 | 42,74 | 2 |
| 2022 | 86 | 4.062,15 | 47,23 | 2 |
| 2023 | 94 | 4.685,09 | 49,84 | 2 |
| 2024 | 101 | 3.898,95 | 38,60 | 3 |
| totale | 1.044 | 38.644,36 | 37,02 | 30 |