| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 142 | 3.232,86 | 22,77 | 1 |
| 2007 | 26 | 803,39 | 30,90 | 1 |
| 2008 | 20 | 722,28 | 36,11 | 1 |
| 2009 | 52 | 2.521,29 | 48,49 | 3 |
| 2010 | 50 | 1.751,59 | 35,03 | 2 |
| 2012 | 47 | 1.763,03 | 37,51 | 2 |
| 2013 | 82 | 2.554,59 | 31,15 | 4 |
| 2014 | 88 | 3.454,27 | 39,25 | 4 |
| 2015 | 92 | 3.286,21 | 35,72 | 5 |
| 2016 | 122 | 4.474,27 | 36,67 | 5 |
| 2017 | 112 | 4.673,90 | 41,73 | 5 |
| 2018 | 115 | 4.830,08 | 42,00 | 5 |
| 2019 | 122 | 4.764,03 | 39,05 | 5 |
| 2020 | 132 | 6.068,34 | 45,97 | 6 |
| 2021 | 124 | 4.887,57 | 39,42 | 6 |
| 2022 | 119 | 4.961,06 | 41,69 | 5 |
| 2023 | 182 | 8.060,87 | 44,29 | 6 |
| 2024 | 195 | 8.458,39 | 43,38 | 7 |
| totale | 1.822 | 71.268,02 | 39,12 | 73 |