| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 84 | 1.567,08 | 18,66 | 2 |
| 2007 | 10 | 545,22 | 54,52 | 1 |
| 2008 | 14 | 696,68 | 49,76 | 1 |
| 2009 | 65 | 1.460,56 | 22,47 | 2 |
| 2010 | 70 | 1.786,41 | 25,52 | 2 |
| 2011 | 15 | 927,22 | 61,81 | 1 |
| 2012 | 62 | 1.438,38 | 23,20 | 2 |
| 2013 | 54 | 1.331,18 | 24,65 | 2 |
| 2014 | 44 | 1.584,73 | 36,02 | 2 |
| 2015 | 42 | 1.463,31 | 34,84 | 2 |
| 2016 | 43 | 1.432,84 | 33,32 | 2 |
| 2017 | 39 | 1.191,71 | 30,56 | 2 |
| 2018 | 35 | 1.202,49 | 34,36 | 2 |
| 2019 | 38 | 1.402,42 | 36,91 | 2 |
| 2020 | 35 | 1.341,33 | 38,32 | 2 |
| 2021 | 34 | 1.191,52 | 35,04 | 2 |
| 2022 | 34 | 1.085,98 | 31,94 | 2 |
| 2023 | 38 | 1.358,69 | 35,76 | 3 |
| 2024 | 38 | 1.217,26 | 32,03 | 3 |
| totale | 794 | 24.225,01 | 30,51 | 37 |