| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 169 | 3.866,73 | 22,88 | 3 |
| 2007 | 64 | 1.875,50 | 29,30 | 2 |
| 2008 | 73 | 2.025,32 | 27,74 | 2 |
| 2009 | 129 | 3.097,41 | 24,01 | 4 |
| 2010 | 114 | 2.254,38 | 19,78 | 4 |
| 2011 | 88 | 2.244,26 | 25,50 | 3 |
| 2012 | 87 | 1.930,93 | 22,19 | 4 |
| 2013 | 65 | 1.255,86 | 19,32 | 3 |
| 2014 | 106 | 2.660,62 | 25,10 | 4 |
| 2015 | 86 | 1.965,07 | 22,85 | 4 |
| 2016 | 82 | 1.780,03 | 21,71 | 3 |
| 2017 | 103 | 2.232,86 | 21,68 | 4 |
| 2018 | 90 | 1.764,42 | 19,60 | 4 |
| 2019 | 125 | 2.383,55 | 19,07 | 4 |
| 2020 | 140 | 2.968,30 | 21,20 | 4 |
| 2021 | 122 | 3.024,07 | 24,79 | 4 |
| 2022 | 111 | 2.668,03 | 24,04 | 4 |
| 2023 | 154 | 4.017,56 | 26,09 | 5 |
| 2024 | 168 | 4.620,13 | 27,50 | 8 |
| totale | 2.076 | 48.635,03 | 23,43 | 73 |