| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 88 | 2.251,14 | 25,58 | 2 |
| 2007 | 4 | 66,77 | 16,69 | 1 |
| 2008 | 5 | 35,95 | 7,19 | 1 |
| 2009 | 51 | 1.375,24 | 26,97 | 2 |
| 2010 | 35 | 862,15 | 24,63 | 2 |
| 2011 | 3.244 | 97.309,42 | 30,00 | 1 |
| 2012 | 3.598 | 109.726,28 | 30,50 | 3 |
| 2013 | 3.645 | 101.729,74 | 27,91 | 3 |
| 2014 | 4.212 | 140.139,64 | 33,27 | 3 |
| 2015 | 4.192 | 140.195,18 | 33,44 | 3 |
| 2016 | 4.442 | 143.080,05 | 32,21 | 3 |
| 2017 | 4.403 | 143.642,37 | 32,62 | 3 |
| 2018 | 4.222 | 137.692,91 | 32,61 | 3 |
| 2019 | 4.289 | 139.418,11 | 32,51 | 3 |
| 2020 | 3.905 | 133.428,87 | 34,17 | 3 |
| 2021 | 3.762 | 127.710,35 | 33,95 | 3 |
| 2022 | 3.612 | 117.751,46 | 32,60 | 3 |
| 2023 | 3.595 | 114.681,03 | 31,90 | 3 |
| 2024 | 3.697 | 118.683,80 | 32,10 | 3 |
| totale | 55.001 | 1.769.780,46 | 32,18 | 48 |