| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 199 | 4.849,89 | 24,37 | 2 |
| 2007 | 89 | 2.441,22 | 27,43 | 1 |
| 2008 | 88 | 2.486,32 | 28,25 | 1 |
| 2009 | 113 | 2.994,31 | 26,50 | 2 |
| 2010 | 136 | 3.343,22 | 24,58 | 2 |
| 2011 | 94 | 1.893,87 | 20,15 | 1 |
| 2012 | 109 | 2.394,06 | 21,96 | 2 |
| 2013 | 118 | 2.745,25 | 23,26 | 2 |
| 2014 | 134 | 4.229,11 | 31,56 | 2 |
| 2015 | 130 | 3.781,42 | 29,09 | 2 |
| 2016 | 119 | 3.456,25 | 29,04 | 2 |
| 2017 | 119 | 3.545,01 | 29,79 | 2 |
| 2018 | 103 | 3.375,53 | 32,77 | 2 |
| 2019 | 108 | 3.450,00 | 31,94 | 2 |
| 2020 | 96 | 3.184,53 | 33,17 | 2 |
| 2021 | 74 | 2.493,71 | 33,70 | 2 |
| 2022 | 66 | 2.701,32 | 40,93 | 2 |
| 2023 | 87 | 2.696,39 | 30,99 | 2 |
| 2024 | 99 | 2.954,57 | 29,84 | 2 |
| totale | 2.081 | 59.015,98 | 28,36 | 35 |