| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 227 | 4.490,27 | 19,78 | 3 |
| 2007 | 128 | 5.686,52 | 44,43 | 2 |
| 2008 | 118 | 5.339,24 | 45,25 | 2 |
| 2009 | 138 | 4.364,20 | 31,62 | 4 |
| 2010 | 137 | 3.558,33 | 25,97 | 4 |
| 2011 | 150 | 3.601,26 | 24,01 | 3 |
| 2012 | 199 | 4.733,71 | 23,79 | 4 |
| 2013 | 262 | 4.942,25 | 18,86 | 4 |
| 2014 | 253 | 6.232,08 | 24,63 | 5 |
| 2015 | 203 | 5.223,66 | 25,73 | 4 |
| 2016 | 118 | 3.860,07 | 32,71 | 4 |
| 2017 | 206 | 5.465,66 | 26,53 | 5 |
| 2018 | 272 | 5.624,75 | 20,68 | 5 |
| 2019 | 195 | 4.408,27 | 22,61 | 5 |
| 2020 | 204 | 4.928,13 | 24,16 | 5 |
| 2021 | 184 | 4.660,27 | 25,33 | 5 |
| 2022 | 197 | 4.262,23 | 21,64 | 5 |
| 2023 | 171 | 4.678,62 | 27,36 | 5 |
| 2024 | 176 | 3.883,81 | 22,07 | 5 |
| totale | 3.538 | 89.943,33 | 25,42 | 79 |