| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 896 | 22.900,69 | 25,56 | 5 |
| 2007 | 722 | 20.292,41 | 28,11 | 4 |
| 2008 | 721 | 20.893,28 | 28,98 | 3 |
| 2009 | 691 | 19.383,86 | 28,05 | 4 |
| 2010 | 759 | 17.435,67 | 22,97 | 4 |
| 2011 | 616 | 13.571,69 | 22,03 | 5 |
| 2012 | 564 | 14.497,44 | 25,70 | 6 |
| 2013 | 747 | 18.052,14 | 24,17 | 7 |
| 2014 | 940 | 27.624,44 | 29,39 | 8 |
| 2015 | 1.010 | 30.414,06 | 30,11 | 7 |
| 2016 | 1.193 | 35.367,93 | 29,65 | 8 |
| 2017 | 1.272 | 37.759,61 | 29,69 | 6 |
| 2018 | 1.339 | 39.273,44 | 29,33 | 7 |
| 2019 | 1.248 | 37.840,80 | 30,32 | 8 |
| 2020 | 1.154 | 36.655,57 | 31,76 | 9 |
| 2021 | 1.120 | 37.717,43 | 33,68 | 10 |
| 2022 | 1.020 | 34.079,47 | 33,41 | 7 |
| 2023 | 986 | 31.899,87 | 32,35 | 7 |
| 2024 | 1.033 | 31.036,65 | 30,05 | 7 |
| totale | 18.031 | 526.696,45 | 29,21 | 122 |