| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 171 | 2.877,59 | 16,83 | 2 |
| 2008 | 230 | 4.695,70 | 20,42 | 2 |
| 2009 | 191 | 3.792,30 | 19,85 | 3 |
| 2010 | 246 | 3.593,34 | 14,61 | 4 |
| 2011 | 194 | 2.486,37 | 12,82 | 2 |
| 2012 | 308 | 4.505,54 | 14,63 | 4 |
| 2013 | 230 | 3.559,28 | 15,48 | 4 |
| 2014 | 246 | 6.451,45 | 26,23 | 4 |
| 2015 | 168 | 3.388,74 | 20,17 | 3 |
| 2016 | 237 | 7.707,68 | 32,52 | 4 |
| 2017 | 224 | 4.729,54 | 21,11 | 4 |
| 2018 | 209 | 4.790,62 | 22,92 | 4 |
| 2019 | 199 | 4.897,89 | 24,61 | 4 |
| 2020 | 237 | 6.120,83 | 25,83 | 5 |
| 2021 | 271 | 7.130,20 | 26,31 | 5 |
| 2022 | 215 | 5.701,55 | 26,52 | 4 |
| 2023 | 237 | 5.761,06 | 24,31 | 6 |
| 2024 | 224 | 5.731,05 | 25,59 | 8 |
| totale | 4.037 | 87.920,73 | 21,78 | 72 |