| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 279 | 5.468,52 | 19,60 | 3 |
| 2007 | 36 | 620,27 | 17,23 | 1 |
| 2008 | 37 | 918,62 | 24,83 | 1 |
| 2009 | 62 | 1.718,28 | 27,71 | 3 |
| 2010 | 128 | 2.965,76 | 23,17 | 4 |
| 2011 | 95 | 2.531,60 | 26,65 | 3 |
| 2012 | 188 | 3.932,17 | 20,92 | 6 |
| 2013 | 172 | 3.089,71 | 17,96 | 5 |
| 2014 | 184 | 4.294,30 | 23,34 | 5 |
| 2015 | 161 | 4.054,57 | 25,18 | 5 |
| 2016 | 165 | 4.241,36 | 25,71 | 6 |
| 2017 | 166 | 4.245,15 | 25,57 | 6 |
| 2018 | 135 | 3.084,44 | 22,85 | 6 |
| 2019 | 155 | 3.589,26 | 23,16 | 6 |
| 2020 | 161 | 3.894,29 | 24,19 | 6 |
| 2021 | 142 | 3.775,59 | 26,59 | 7 |
| 2022 | 169 | 4.020,15 | 23,79 | 7 |
| 2023 | 185 | 4.446,32 | 24,03 | 7 |
| 2024 | 192 | 3.946,16 | 20,55 | 8 |
| totale | 2.812 | 64.836,52 | 23,06 | 95 |