| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 62 | 2.496,97 | 40,27 | 2 |
| 2007 | 72 | 2.915,74 | 40,50 | 1 |
| 2008 | 102 | 4.185,81 | 41,04 | 2 |
| 2009 | 106 | 4.284,87 | 40,42 | 3 |
| 2010 | 144 | 3.408,30 | 23,67 | 3 |
| 2011 | 119 | 3.019,04 | 25,37 | 2 |
| 2012 | 119 | 2.614,90 | 21,97 | 3 |
| 2013 | 122 | 2.938,32 | 24,08 | 3 |
| 2014 | 122 | 3.378,13 | 27,69 | 3 |
| 2015 | 161 | 4.842,80 | 30,08 | 3 |
| 2016 | 151 | 4.542,33 | 30,08 | 3 |
| 2017 | 147 | 5.152,59 | 35,05 | 3 |
| 2018 | 140 | 4.887,40 | 34,91 | 3 |
| 2019 | 145 | 5.644,58 | 38,93 | 3 |
| 2020 | 136 | 4.777,63 | 35,13 | 3 |
| 2021 | 133 | 4.643,61 | 34,91 | 3 |
| 2022 | 137 | 5.158,45 | 37,65 | 3 |
| 2023 | 140 | 5.372,61 | 38,38 | 4 |
| 2024 | 135 | 5.710,42 | 42,30 | 4 |
| totale | 2.393 | 79.974,50 | 33,42 | 54 |