| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 116 | 1.737,24 | 14,98 | 1 |
| 2007 | 80 | 1.485,70 | 18,57 | 2 |
| 2008 | 120 | 2.518,66 | 20,99 | 3 |
| 2009 | 129 | 2.303,22 | 17,85 | 4 |
| 2010 | 141 | 2.308,38 | 16,37 | 3 |
| 2011 | 101 | 1.844,95 | 18,27 | 2 |
| 2012 | 153 | 2.831,63 | 18,51 | 3 |
| 2013 | 192 | 2.996,96 | 15,61 | 4 |
| 2014 | 204 | 4.078,06 | 19,99 | 4 |
| 2015 | 157 | 3.244,96 | 20,67 | 3 |
| 2016 | 207 | 4.378,81 | 21,15 | 4 |
| 2017 | 201 | 4.128,67 | 20,54 | 4 |
| 2018 | 200 | 4.045,30 | 20,23 | 4 |
| 2019 | 200 | 3.998,38 | 19,99 | 4 |
| 2020 | 222 | 4.281,13 | 19,28 | 4 |
| 2021 | 217 | 4.185,08 | 19,29 | 4 |
| 2022 | 228 | 4.363,03 | 19,14 | 4 |
| 2023 | 236 | 4.428,75 | 18,77 | 4 |
| 2024 | 247 | 4.459,58 | 18,05 | 4 |
| totale | 3.351 | 63.618,49 | 18,98 | 65 |