| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 64 | 1.807,53 | 28,24 | 3 |
| 2007 | 27 | 1.318,81 | 48,84 | 1 |
| 2008 | 21 | 1.288,86 | 61,37 | 1 |
| 2009 | 31 | 948,46 | 30,60 | 2 |
| 2010 | 40 | 877,62 | 21,94 | 3 |
| 2011 | 31 | 1.120,93 | 36,16 | 1 |
| 2012 | 53 | 966,27 | 18,23 | 2 |
| 2013 | 58 | 1.013,10 | 17,47 | 3 |
| 2014 | 50 | 1.036,62 | 20,73 | 2 |
| 2015 | 42 | 847,66 | 20,18 | 2 |
| 2016 | 48 | 913,97 | 19,04 | 2 |
| 2017 | 41 | 951,22 | 23,20 | 2 |
| 2018 | 39 | 884,39 | 22,68 | 2 |
| 2019 | 50 | 1.013,49 | 20,27 | 2 |
| 2020 | 45 | 1.186,38 | 26,36 | 2 |
| 2021 | 42 | 1.062,05 | 25,29 | 2 |
| 2022 | 46 | 1.705,51 | 37,08 | 2 |
| 2023 | 53 | 2.697,15 | 50,89 | 3 |
| 2024 | 51 | 2.498,22 | 48,98 | 3 |
| totale | 832 | 24.138,24 | 29,01 | 40 |