| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 26 | 357,31 | 13,74 | 1 |
| 2007 | 50 | 764,78 | 15,30 | 1 |
| 2008 | 102 | 2.112,24 | 20,71 | 1 |
| 2009 | 14 | 469,56 | 33,54 | 2 |
| 2010 | 4 | 61,30 | 15,33 | 1 |
| 2011 | 25 | 400,31 | 16,01 | 1 |
| 2012 | 18 | 300,79 | 16,71 | 2 |
| 2013 | 215 | 3.497,35 | 16,27 | 2 |
| 2014 | 371 | 7.301,86 | 19,68 | 3 |
| 2015 | 253 | 6.631,89 | 26,21 | 4 |
| 2016 | 212 | 5.941,27 | 28,02 | 4 |
| 2017 | 169 | 4.522,93 | 26,76 | 5 |
| 2018 | 158 | 4.377,34 | 27,70 | 5 |
| 2019 | 180 | 4.240,79 | 23,56 | 5 |
| 2020 | 84 | 3.037,25 | 36,16 | 5 |
| 2021 | 56 | 1.973,76 | 35,25 | 5 |
| 2022 | 15 | 734,74 | 48,98 | 4 |
| 2023 | 116 | 2.569,28 | 22,15 | 5 |
| 2024 | 62 | 1.370,39 | 22,10 | 5 |
| totale | 2.130 | 50.665,14 | 23,79 | 61 |