| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 124 | 6.501,09 | 52,43 | 3 |
| 2007 | 85 | 2.653,40 | 31,22 | 1 |
| 2008 | 208 | 8.726,68 | 41,96 | 2 |
| 2009 | 206 | 9.878,43 | 47,95 | 3 |
| 2010 | 59 | 3.569,61 | 60,50 | 2 |
| 2011 | 79 | 2.636,24 | 33,37 | 1 |
| 2012 | 165 | 6.615,66 | 40,09 | 3 |
| 2013 | 180 | 7.572,01 | 42,07 | 3 |
| 2014 | 194 | 9.709,93 | 50,05 | 3 |
| 2015 | 172 | 9.001,85 | 52,34 | 4 |
| 2016 | 177 | 9.223,79 | 52,11 | 4 |
| 2017 | 184 | 9.591,58 | 52,13 | 4 |
| 2018 | 169 | 8.428,30 | 49,87 | 3 |
| 2019 | 185 | 9.880,92 | 53,41 | 3 |
| 2020 | 187 | 8.263,93 | 44,19 | 3 |
| 2021 | 146 | 5.236,89 | 35,87 | 2 |
| 2022 | 26 | 1.254,81 | 48,26 | 1 |
| 2023 | 30 | 1.337,20 | 44,57 | 2 |
| 2024 | 25 | 1.068,99 | 42,76 | 2 |
| totale | 2.601 | 121.151,31 | 46,58 | 49 |