| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 291 | 3.372,40 | 11,59 | 3 |
| 2007 | 89 | 1.210,20 | 13,60 | 1 |
| 2008 | 45 | 750,38 | 16,68 | 1 |
| 2009 | 40 | 736,33 | 18,41 | 2 |
| 2010 | 57 | 1.543,26 | 27,07 | 3 |
| 2011 | 47 | 635,32 | 13,52 | 1 |
| 2012 | 37 | 654,03 | 17,68 | 2 |
| 2013 | 156 | 1.632,97 | 10,47 | 2 |
| 2014 | 153 | 2.081,45 | 13,60 | 3 |
| 2015 | 59 | 1.083,34 | 18,36 | 3 |
| 2016 | 67 | 1.917,45 | 28,62 | 3 |
| 2017 | 81 | 1.724,00 | 21,28 | 3 |
| 2018 | 210 | 4.015,56 | 19,12 | 3 |
| 2019 | 194 | 4.010,05 | 20,67 | 3 |
| 2020 | 194 | 4.288,72 | 22,11 | 3 |
| 2021 | 181 | 3.467,51 | 19,16 | 3 |
| 2022 | 159 | 3.243,98 | 20,40 | 3 |
| 2023 | 132 | 2.640,11 | 20,00 | 3 |
| 2024 | 124 | 2.578,08 | 20,79 | 4 |
| totale | 2.316 | 41.585,14 | 17,96 | 49 |