| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 363 | 7.353,20 | 20,26 | 3 |
| 2007 | 141 | 3.571,28 | 25,33 | 2 |
| 2008 | 129 | 3.208,27 | 24,87 | 2 |
| 2009 | 134 | 3.178,97 | 23,72 | 3 |
| 2010 | 155 | 3.263,95 | 21,06 | 3 |
| 2011 | 133 | 3.677,41 | 27,65 | 2 |
| 2012 | 168 | 3.768,13 | 22,43 | 3 |
| 2013 | 169 | 3.446,64 | 20,39 | 4 |
| 2014 | 175 | 4.469,21 | 25,54 | 5 |
| 2015 | 99 | 2.151,96 | 21,74 | 2 |
| 2016 | 102 | 2.565,40 | 25,15 | 3 |
| 2017 | 73 | 1.505,18 | 20,62 | 2 |
| 2018 | 50 | 1.200,44 | 24,01 | 2 |
| 2019 | 53 | 1.284,73 | 24,24 | 1 |
| 2020 | 54 | 1.409,86 | 26,11 | 1 |
| 2021 | 54 | 1.212,93 | 22,46 | 1 |
| 2022 | 46 | 1.217,58 | 26,47 | 1 |
| 2023 | 62 | 1.644,12 | 26,52 | 4 |
| 2024 | 56 | 1.440,68 | 25,73 | 4 |
| totale | 2.216 | 51.569,94 | 23,27 | 48 |