| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 661 | 20.262,02 | 30,65 | 3 |
| 2007 | 206 | 7.991,16 | 38,79 | 1 |
| 2008 | 182 | 6.798,29 | 37,35 | 1 |
| 2009 | 237 | 7.907,86 | 33,37 | 3 |
| 2010 | 217 | 5.483,43 | 25,27 | 3 |
| 2011 | 116 | 3.528,55 | 30,42 | 1 |
| 2012 | 172 | 4.088,80 | 23,77 | 3 |
| 2013 | 152 | 3.428,16 | 22,55 | 3 |
| 2014 | 135 | 3.672,63 | 27,20 | 3 |
| 2015 | 127 | 3.547,68 | 27,93 | 4 |
| 2016 | 139 | 4.179,30 | 30,07 | 3 |
| 2017 | 135 | 4.527,54 | 33,54 | 3 |
| 2018 | 131 | 4.380,65 | 33,44 | 3 |
| 2019 | 141 | 5.108,02 | 36,23 | 3 |
| 2020 | 124 | 4.910,05 | 39,60 | 3 |
| 2021 | 123 | 4.198,10 | 34,13 | 3 |
| 2022 | 123 | 3.652,61 | 29,70 | 3 |
| 2023 | 115 | 3.540,90 | 30,79 | 3 |
| 2024 | 109 | 2.974,57 | 27,29 | 3 |
| totale | 3.345 | 104.180,32 | 31,15 | 52 |