| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 175 | 4.211,47 | 24,07 | 2 |
| 2009 | 54 | 807,25 | 14,95 | 2 |
| 2010 | 70 | 1.276,63 | 18,24 | 2 |
| 2011 | 46 | 929,63 | 20,21 | 1 |
| 2012 | 106 | 2.050,91 | 19,35 | 3 |
| 2013 | 109 | 2.255,96 | 20,70 | 2 |
| 2014 | 114 | 3.050,69 | 26,76 | 3 |
| 2015 | 108 | 2.869,57 | 26,57 | 3 |
| 2016 | 91 | 2.149,08 | 23,62 | 2 |
| 2017 | 96 | 2.499,22 | 26,03 | 2 |
| 2018 | 85 | 2.319,40 | 27,29 | 2 |
| 2019 | 73 | 2.004,16 | 27,45 | 2 |
| 2020 | 85 | 2.024,65 | 23,82 | 2 |
| 2021 | 84 | 1.909,87 | 22,74 | 2 |
| 2022 | 54 | 966,12 | 17,89 | 1 |
| 2023 | 51 | 795,78 | 15,60 | 2 |
| 2024 | 53 | 860,46 | 16,24 | 2 |
| totale | 1.454 | 32.980,85 | 22,68 | 35 |