| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 135 | 2.949,00 | 21,84 | 1 |
| 2007 | 214 | 5.955,00 | 27,83 | 1 |
| 2009 | 217 | 4.840,26 | 22,31 | 2 |
| 2010 | 229 | 4.642,79 | 20,27 | 3 |
| 2011 | 201 | 5.030,97 | 25,03 | 1 |
| 2012 | 252 | 6.255,91 | 24,83 | 3 |
| 2013 | 274 | 5.331,21 | 19,46 | 3 |
| 2014 | 240 | 6.548,39 | 27,28 | 3 |
| 2015 | 213 | 6.805,95 | 31,95 | 2 |
| 2016 | 239 | 7.934,23 | 33,20 | 3 |
| 2017 | 236 | 7.815,67 | 33,12 | 3 |
| 2018 | 207 | 7.326,65 | 35,39 | 3 |
| 2019 | 199 | 6.443,66 | 32,38 | 3 |
| 2020 | 193 | 6.535,07 | 33,86 | 3 |
| 2021 | 172 | 5.966,69 | 34,69 | 3 |
| 2022 | 149 | 5.693,20 | 38,21 | 3 |
| 2023 | 146 | 5.440,94 | 37,27 | 3 |
| 2024 | 146 | 4.647,14 | 31,83 | 3 |
| totale | 3.662 | 106.162,73 | 28,99 | 46 |