| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 96 | 2.684,73 | 27,97 | 1 |
| 2009 | 7 | 111,65 | 15,95 | 1 |
| 2010 | 10 | 156,42 | 15,64 | 1 |
| 2012 | 105 | 2.708,38 | 25,79 | 2 |
| 2013 | 94 | 2.223,51 | 23,65 | 2 |
| 2014 | 91 | 2.856,96 | 31,40 | 2 |
| 2015 | 117 | 3.476,62 | 29,71 | 2 |
| 2016 | 116 | 3.311,10 | 28,54 | 2 |
| 2017 | 117 | 3.710,92 | 31,72 | 2 |
| 2018 | 107 | 3.305,18 | 30,89 | 2 |
| 2019 | 120 | 3.912,96 | 32,61 | 2 |
| 2020 | 108 | 3.885,97 | 35,98 | 2 |
| 2021 | 93 | 3.362,25 | 36,15 | 2 |
| 2022 | 76 | 2.856,71 | 37,59 | 2 |
| 2023 | 77 | 2.712,76 | 35,23 | 2 |
| 2024 | 77 | 2.359,21 | 30,64 | 2 |
| totale | 1.411 | 43.635,33 | 30,93 | 29 |