| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 100 | 2.697,24 | 26,97 | 2 |
| 2007 | 76 | 1.979,68 | 26,05 | 1 |
| 2008 | 93 | 2.636,86 | 28,35 | 1 |
| 2009 | 101 | 2.606,76 | 25,81 | 2 |
| 2010 | 114 | 2.155,42 | 18,91 | 2 |
| 2011 | 102 | 2.112,87 | 20,71 | 1 |
| 2012 | 111 | 2.510,24 | 22,61 | 2 |
| 2013 | 105 | 1.861,88 | 17,73 | 2 |
| 2014 | 108 | 2.880,83 | 26,67 | 2 |
| 2015 | 101 | 2.551,37 | 25,26 | 2 |
| 2016 | 97 | 2.673,74 | 27,56 | 2 |
| 2017 | 88 | 2.578,84 | 29,31 | 3 |
| 2018 | 85 | 2.820,50 | 33,18 | 4 |
| 2019 | 91 | 2.784,07 | 30,59 | 4 |
| 2020 | 85 | 2.602,63 | 30,62 | 4 |
| 2021 | 86 | 3.198,84 | 37,20 | 5 |
| 2022 | 57 | 3.025,48 | 53,08 | 3 |
| 2023 | 73 | 2.688,27 | 36,83 | 4 |
| 2024 | 68 | 1.633,49 | 24,02 | 5 |
| totale | 1.741 | 47.999,01 | 27,57 | 51 |