| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 306 | 6.481,72 | 21,18 | 1 |
| 2009 | 203 | 4.355,11 | 21,45 | 1 |
| 2010 | 175 | 3.670,15 | 20,97 | 2 |
| 2011 | 37 | 924,78 | 24,99 | 1 |
| 2012 | 210 | 4.994,68 | 23,78 | 2 |
| 2013 | 205 | 4.553,61 | 22,21 | 2 |
| 2014 | 199 | 5.931,68 | 29,81 | 2 |
| 2015 | 189 | 5.267,16 | 27,87 | 2 |
| 2016 | 181 | 4.707,33 | 26,01 | 2 |
| 2017 | 182 | 4.797,93 | 26,36 | 2 |
| 2018 | 165 | 4.344,66 | 26,33 | 2 |
| 2019 | 158 | 4.217,26 | 26,69 | 2 |
| 2020 | 145 | 3.895,06 | 26,86 | 3 |
| 2021 | 135 | 3.379,10 | 25,03 | 3 |
| 2022 | 107 | 2.603,13 | 24,33 | 3 |
| 2023 | 121 | 3.167,27 | 26,18 | 4 |
| 2024 | 128 | 3.608,67 | 28,19 | 4 |
| totale | 2.846 | 70.899,30 | 24,91 | 38 |