| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 249 | 3.704,83 | 14,88 | 2 |
| 2008 | 12 | 286,49 | 23,87 | 1 |
| 2009 | 4 | 69,55 | 17,39 | 1 |
| 2010 | 22 | 429,78 | 19,54 | 2 |
| 2011 | 73 | 868,37 | 11,90 | 1 |
| 2012 | 44 | 998,43 | 22,69 | 2 |
| 2013 | 26 | 297,53 | 11,44 | 1 |
| 2014 | 36 | 508,56 | 14,13 | 1 |
| 2015 | 29 | 286,67 | 9,89 | 1 |
| 2016 | 23 | 255,96 | 11,13 | 1 |
| 2017 | 23 | 218,25 | 9,49 | 1 |
| 2018 | 22 | 196,53 | 8,93 | 1 |
| 2019 | 25 | 212,79 | 8,51 | 1 |
| 2020 | 10 | 115,62 | 11,56 | 1 |
| 2021 | 12 | 76,21 | 6,35 | 1 |
| 2022 | 7 | 61,32 | 8,76 | 1 |
| 2023 | 11 | 80,06 | 7,28 | 2 |
| 2024 | 157 | 2.261,73 | 14,41 | 2 |
| totale | 785 | 10.928,68 | 13,92 | 23 |