| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 78 | 1.131,15 | 14,50 | 2 |
| 2007 | 48 | 1.291,16 | 26,90 | 1 |
| 2008 | 67 | 1.967,74 | 29,37 | 1 |
| 2009 | 20 | 336,18 | 16,81 | 1 |
| 2010 | 116 | 2.477,93 | 21,36 | 2 |
| 2011 | 95 | 1.812,64 | 19,08 | 2 |
| 2012 | 219 | 4.421,79 | 20,19 | 3 |
| 2013 | 218 | 4.017,24 | 18,43 | 3 |
| 2014 | 185 | 3.789,54 | 20,48 | 4 |
| 2015 | 229 | 4.571,66 | 19,96 | 4 |
| 2016 | 224 | 4.750,18 | 21,21 | 4 |
| 2017 | 236 | 4.885,94 | 20,70 | 4 |
| 2018 | 249 | 5.297,78 | 21,28 | 5 |
| 2019 | 304 | 6.878,60 | 22,63 | 5 |
| 2020 | 224 | 4.810,06 | 21,47 | 4 |
| 2021 | 200 | 4.631,81 | 23,16 | 4 |
| 2022 | 78 | 1.976,66 | 25,34 | 3 |
| 2023 | 118 | 2.905,92 | 24,63 | 3 |
| 2024 | 298 | 7.019,10 | 23,55 | 5 |
| totale | 3.206 | 68.973,08 | 21,51 | 60 |