| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 39 | 789,77 | 20,25 | 1 |
| 2007 | 49 | 1.421,77 | 29,02 | 1 |
| 2008 | 64 | 2.000,65 | 31,26 | 1 |
| 2009 | 88 | 2.130,65 | 24,21 | 3 |
| 2010 | 106 | 2.458,71 | 23,20 | 3 |
| 2011 | 94 | 2.344,34 | 24,94 | 1 |
| 2012 | 118 | 2.266,15 | 19,20 | 2 |
| 2013 | 117 | 2.049,25 | 17,51 | 2 |
| 2014 | 108 | 2.550,20 | 23,61 | 2 |
| 2015 | 134 | 3.251,36 | 24,26 | 2 |
| 2016 | 145 | 3.671,59 | 25,32 | 3 |
| 2017 | 130 | 3.395,32 | 26,12 | 2 |
| 2018 | 128 | 3.330,69 | 26,02 | 2 |
| 2019 | 119 | 2.799,23 | 23,52 | 2 |
| 2020 | 105 | 2.298,76 | 21,89 | 2 |
| 2021 | 106 | 2.229,44 | 21,03 | 3 |
| 2022 | 24 | 432,54 | 18,02 | 2 |
| 2023 | 19 | 334,29 | 17,59 | 2 |
| 2024 | 12 | 121,47 | 10,12 | 2 |
| totale | 1.705 | 39.876,18 | 23,39 | 38 |