| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 115 | 2.008,62 | 17,47 | 3 |
| 2007 | 512 | 9.872,08 | 19,28 | 2 |
| 2008 | 142 | 2.959,81 | 20,84 | 1 |
| 2009 | 213 | 4.545,13 | 21,34 | 4 |
| 2010 | 242 | 5.236,12 | 21,64 | 4 |
| 2011 | 136 | 3.129,72 | 23,01 | 3 |
| 2012 | 189 | 4.478,56 | 23,70 | 4 |
| 2013 | 222 | 4.190,25 | 18,88 | 4 |
| 2014 | 220 | 5.386,51 | 24,48 | 4 |
| 2015 | 239 | 6.164,01 | 25,79 | 5 |
| 2016 | 176 | 4.907,75 | 27,88 | 4 |
| 2017 | 152 | 3.759,83 | 24,74 | 3 |
| 2018 | 192 | 4.908,30 | 25,56 | 4 |
| 2019 | 213 | 5.432,60 | 25,51 | 3 |
| 2020 | 225 | 6.450,32 | 28,67 | 3 |
| 2021 | 259 | 7.026,90 | 27,13 | 3 |
| 2022 | 260 | 7.257,45 | 27,91 | 2 |
| 2023 | 257 | 6.643,53 | 25,85 | 4 |
| 2024 | 323 | 7.639,95 | 23,65 | 5 |
| totale | 4.287 | 101.997,44 | 23,79 | 65 |