| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 73 | 532,74 | 7,30 | 1 |
| 2007 | 2 | 55,93 | 27,97 | 1 |
| 2008 | 5 | 232,44 | 46,49 | 1 |
| 2009 | 3 | 62,01 | 20,67 | 1 |
| 2010 | 59 | 372,33 | 6,31 | 1 |
| 2011 | 198 | 3.141,40 | 15,87 | 1 |
| 2012 | 37 | 290,57 | 7,85 | 1 |
| 2013 | 9 | 129,92 | 14,44 | 1 |
| 2014 | 32 | 585,48 | 18,30 | 2 |
| 2015 | 31 | 608,53 | 19,63 | 2 |
| 2016 | 23 | 467,17 | 20,31 | 2 |
| 2017 | 25 | 357,90 | 14,32 | 2 |
| 2018 | 21 | 330,23 | 15,73 | 3 |
| 2019 | 24 | 333,76 | 13,91 | 3 |
| 2020 | 53 | 739,24 | 13,95 | 3 |
| 2021 | 87 | 1.202,89 | 13,83 | 3 |
| 2022 | 171 | 4.295,39 | 25,12 | 3 |
| 2023 | 56 | 2.012,84 | 35,94 | 4 |
| 2024 | 84 | 2.016,98 | 24,01 | 5 |
| totale | 993 | 17.767,75 | 17,89 | 40 |