| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 172 | 3.211,49 | 18,67 | 2 |
| 2007 | 14 | 413,63 | 29,55 | 2 |
| 2008 | 10 | 307,41 | 30,74 | 2 |
| 2009 | 66 | 13.428,33 | 203,46 | 5 |
| 2010 | 56 | 1.232,13 | 22,00 | 3 |
| 2011 | 13 | 409,10 | 31,47 | 2 |
| 2012 | 63 | 1.201,12 | 19,07 | 2 |
| 2013 | 79 | 1.733,21 | 21,94 | 5 |
| 2014 | 99 | 2.789,83 | 28,18 | 4 |
| 2015 | 99 | 2.282,54 | 23,06 | 4 |
| 2016 | 92 | 2.428,24 | 26,39 | 4 |
| 2017 | 110 | 2.674,46 | 24,31 | 4 |
| 2018 | 125 | 3.051,71 | 24,41 | 4 |
| 2019 | 120 | 3.038,93 | 25,32 | 4 |
| 2020 | 130 | 3.291,26 | 25,32 | 4 |
| 2021 | 128 | 3.170,48 | 24,77 | 3 |
| 2022 | 127 | 3.309,77 | 26,06 | 3 |
| 2023 | 119 | 2.929,57 | 24,62 | 3 |
| 2024 | 127 | 3.019,27 | 23,77 | 4 |
| totale | 1.749 | 53.922,48 | 30,83 | 64 |