| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 183 | 3.640,75 | 19,89 | 2 |
| 2007 | 99 | 2.136,58 | 21,58 | 2 |
| 2008 | 79 | 2.073,54 | 26,25 | 2 |
| 2009 | 119 | 2.876,36 | 24,17 | 3 |
| 2010 | 117 | 2.613,92 | 22,34 | 4 |
| 2011 | 61 | 1.140,73 | 18,70 | 1 |
| 2012 | 121 | 2.624,42 | 21,69 | 4 |
| 2013 | 111 | 2.190,90 | 19,74 | 2 |
| 2014 | 183 | 4.573,28 | 24,99 | 5 |
| 2015 | 142 | 4.482,39 | 31,57 | 3 |
| 2016 | 166 | 4.927,29 | 29,68 | 4 |
| 2017 | 157 | 4.493,57 | 28,62 | 4 |
| 2018 | 159 | 4.931,95 | 31,02 | 4 |
| 2019 | 149 | 5.065,13 | 33,99 | 4 |
| 2020 | 141 | 4.505,21 | 31,95 | 4 |
| 2021 | 119 | 4.252,54 | 35,74 | 4 |
| 2022 | 139 | 5.093,03 | 36,64 | 5 |
| 2023 | 155 | 4.616,57 | 29,78 | 5 |
| 2024 | 157 | 4.703,09 | 29,96 | 4 |
| totale | 2.557 | 70.941,25 | 27,74 | 66 |