| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 50 | 772,92 | 15,46 | 2 |
| 2007 | 33 | 832,78 | 25,24 | 1 |
| 2008 | 79 | 1.941,05 | 24,57 | 2 |
| 2009 | 44 | 1.104,93 | 25,11 | 2 |
| 2010 | 136 | 2.422,43 | 17,81 | 3 |
| 2011 | 159 | 2.961,02 | 18,62 | 2 |
| 2012 | 186 | 3.446,25 | 18,53 | 4 |
| 2013 | 178 | 3.252,02 | 18,27 | 4 |
| 2014 | 188 | 3.971,28 | 21,12 | 4 |
| 2015 | 55 | 1.257,00 | 22,85 | 2 |
| 2016 | 145 | 3.471,42 | 23,94 | 4 |
| 2017 | 90 | 2.120,79 | 23,56 | 4 |
| 2018 | 82 | 1.967,21 | 23,99 | 4 |
| 2019 | 77 | 1.740,64 | 22,61 | 4 |
| 2020 | 77 | 1.621,36 | 21,06 | 4 |
| 2021 | 52 | 1.177,52 | 22,64 | 4 |
| 2022 | 60 | 1.271,70 | 21,20 | 4 |
| 2023 | 70 | 1.609,90 | 23,00 | 4 |
| 2024 | 64 | 1.482,72 | 23,17 | 4 |
| totale | 1.825 | 38.424,94 | 21,05 | 62 |