| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 264 | 5.844,41 | 22,14 | 3 |
| 2007 | 228 | 5.211,75 | 22,86 | 1 |
| 2008 | 243 | 5.599,34 | 23,04 | 1 |
| 2009 | 178 | 3.342,00 | 18,78 | 2 |
| 2010 | 16 | 262,57 | 16,41 | 1 |
| 2012 | 100 | 1.996,30 | 19,96 | 2 |
| 2013 | 86 | 2.217,92 | 25,79 | 4 |
| 2014 | 35 | 573,60 | 16,39 | 2 |
| 2015 | 6 | 49,23 | 8,21 | 1 |
| 2016 | 6 | 105,85 | 17,64 | 1 |
| 2017 | 5 | 74,85 | 14,97 | 1 |
| 2018 | 5 | 115,52 | 23,10 | 1 |
| 2019 | 1 | 42,87 | 42,87 | 1 |
| 2020 | 3 | 84,31 | 28,10 | 1 |
| 2021 | 99 | 2.509,09 | 25,34 | 4 |
| 2022 | 296 | 8.353,16 | 28,22 | 5 |
| 2023 | 420 | 8.231,14 | 19,60 | 7 |
| 2024 | 273 | 5.450,60 | 19,97 | 6 |
| totale | 2.264 | 50.064,51 | 22,11 | 44 |