| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 78 | 2.217,78 | 28,43 | 1 |
| 2009 | 25 | 572,03 | 22,88 | 1 |
| 2010 | 42 | 825,45 | 19,65 | 3 |
| 2011 | 22 | 577,88 | 26,27 | 1 |
| 2012 | 86 | 1.933,25 | 22,48 | 3 |
| 2013 | 69 | 1.197,82 | 17,36 | 3 |
| 2014 | 44 | 1.271,39 | 28,90 | 1 |
| 2015 | 62 | 1.996,08 | 32,19 | 2 |
| 2016 | 63 | 1.727,99 | 27,43 | 2 |
| 2017 | 74 | 2.185,28 | 29,53 | 2 |
| 2018 | 77 | 2.526,92 | 32,82 | 2 |
| 2019 | 74 | 2.158,49 | 29,17 | 2 |
| 2020 | 71 | 1.944,16 | 27,38 | 2 |
| 2021 | 69 | 2.062,13 | 29,89 | 1 |
| 2022 | 71 | 2.176,31 | 30,65 | 1 |
| 2023 | 164 | 4.596,92 | 28,03 | 2 |
| 2024 | 176 | 4.733,50 | 26,89 | 3 |
| totale | 1.267 | 34.703,38 | 27,39 | 32 |