| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 369 | 9.928,44 | 26,91 | 2 |
| 2007 | 213 | 5.609,50 | 26,34 | 1 |
| 2008 | 232 | 6.531,40 | 28,15 | 2 |
| 2009 | 215 | 5.949,10 | 27,67 | 3 |
| 2010 | 201 | 4.441,54 | 22,10 | 3 |
| 2011 | 118 | 2.516,26 | 21,32 | 1 |
| 2012 | 136 | 3.025,37 | 22,25 | 2 |
| 2013 | 170 | 3.510,47 | 20,65 | 3 |
| 2014 | 138 | 3.551,73 | 25,74 | 2 |
| 2015 | 144 | 3.918,75 | 27,21 | 2 |
| 2016 | 184 | 5.527,15 | 30,04 | 3 |
| 2017 | 175 | 4.907,95 | 28,05 | 3 |
| 2018 | 167 | 4.322,32 | 25,88 | 3 |
| 2019 | 171 | 5.142,77 | 30,07 | 3 |
| 2020 | 145 | 4.714,68 | 32,52 | 3 |
| 2021 | 121 | 4.154,28 | 34,33 | 2 |
| 2022 | 47 | 1.011,37 | 21,52 | 1 |
| 2023 | 79 | 1.833,78 | 23,21 | 2 |
| 2024 | 88 | 2.158,63 | 24,53 | 2 |
| totale | 3.113 | 82.755,49 | 26,58 | 43 |