| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 285 | 5.087,58 | 17,85 | 2 |
| 2007 | 295 | 5.736,02 | 19,44 | 1 |
| 2008 | 327 | 6.105,97 | 18,67 | 1 |
| 2009 | 280 | 5.071,54 | 18,11 | 2 |
| 2010 | 293 | 4.495,34 | 15,34 | 2 |
| 2011 | 281 | 4.138,70 | 14,73 | 1 |
| 2012 | 307 | 5.309,41 | 17,29 | 3 |
| 2013 | 316 | 5.346,40 | 16,92 | 3 |
| 2014 | 294 | 5.894,93 | 20,05 | 2 |
| 2015 | 263 | 5.732,24 | 21,80 | 2 |
| 2016 | 238 | 4.990,28 | 20,97 | 2 |
| 2017 | 253 | 5.141,03 | 20,32 | 2 |
| 2018 | 237 | 4.988,09 | 21,05 | 2 |
| 2019 | 227 | 5.141,87 | 22,65 | 2 |
| 2020 | 206 | 4.708,20 | 22,86 | 2 |
| 2021 | 186 | 3.765,12 | 20,24 | 2 |
| 2022 | 186 | 4.055,49 | 21,80 | 2 |
| 2023 | 207 | 4.060,16 | 19,61 | 3 |
| 2024 | 226 | 5.381,31 | 23,81 | 3 |
| totale | 4.907 | 95.149,68 | 19,39 | 39 |