| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 64 | 1.925,89 | 30,09 | 1 |
| 2008 | 72 | 2.301,23 | 31,96 | 1 |
| 2009 | 281 | 5.716,44 | 20,34 | 2 |
| 2010 | 238 | 4.289,84 | 18,02 | 2 |
| 2011 | 177 | 3.177,97 | 17,95 | 1 |
| 2012 | 17 | 181,11 | 10,65 | 1 |
| 2013 | 243 | 3.639,56 | 14,98 | 2 |
| 2014 | 152 | 3.100,84 | 20,40 | 2 |
| 2015 | 166 | 3.466,14 | 20,88 | 2 |
| 2016 | 129 | 3.002,09 | 23,27 | 2 |
| 2017 | 114 | 2.722,71 | 23,88 | 2 |
| 2018 | 99 | 2.313,84 | 23,37 | 2 |
| 2019 | 113 | 2.773,42 | 24,54 | 2 |
| 2020 | 106 | 3.002,40 | 28,32 | 2 |
| 2021 | 94 | 2.638,15 | 28,07 | 2 |
| 2022 | 105 | 3.360,02 | 32,00 | 2 |
| 2023 | 115 | 3.164,23 | 27,52 | 2 |
| 2024 | 137 | 3.105,44 | 22,67 | 2 |
| totale | 2.422 | 53.881,32 | 22,25 | 32 |