| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 138 | 2.805,07 | 20,33 | 1 |
| 2008 | 9 | 270,08 | 30,01 | 1 |
| 2009 | 18 | 560,83 | 31,16 | 1 |
| 2010 | 39 | 894,80 | 22,94 | 2 |
| 2012 | 54 | 1.323,82 | 24,52 | 2 |
| 2013 | 58 | 1.260,20 | 21,73 | 2 |
| 2014 | 61 | 1.497,17 | 24,54 | 2 |
| 2015 | 62 | 1.607,91 | 25,93 | 2 |
| 2016 | 49 | 1.465,06 | 29,90 | 2 |
| 2017 | 38 | 1.128,92 | 29,71 | 2 |
| 2018 | 40 | 1.156,07 | 28,90 | 2 |
| 2019 | 34 | 882,40 | 25,95 | 1 |
| 2020 | 39 | 1.597,62 | 40,96 | 1 |
| 2021 | 29 | 1.393,97 | 48,07 | 1 |
| 2022 | 48 | 1.240,35 | 25,84 | 2 |
| 2023 | 52 | 1.385,25 | 26,64 | 2 |
| 2024 | 62 | 1.871,16 | 30,18 | 2 |
| totale | 830 | 22.340,68 | 26,92 | 28 |