| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 64 | 1.654,36 | 25,85 | 1 |
| 2007 | 130 | 3.459,51 | 26,61 | 1 |
| 2008 | 116 | 3.320,81 | 28,63 | 2 |
| 2009 | 147 | 3.515,96 | 23,92 | 3 |
| 2010 | 159 | 3.268,43 | 20,56 | 3 |
| 2011 | 151 | 3.079,54 | 20,39 | 2 |
| 2012 | 142 | 2.880,26 | 20,28 | 3 |
| 2013 | 161 | 3.169,50 | 19,69 | 3 |
| 2014 | 154 | 3.644,32 | 23,66 | 3 |
| 2015 | 10 | 311,81 | 31,18 | 1 |
| 2016 | 11 | 391,85 | 35,62 | 1 |
| 2017 | 14 | 389,04 | 27,79 | 1 |
| 2018 | 109 | 2.774,33 | 25,45 | 2 |
| 2019 | 122 | 3.630,62 | 29,76 | 2 |
| 2020 | 127 | 3.801,65 | 29,93 | 2 |
| 2021 | 125 | 3.474,23 | 27,79 | 2 |
| 2022 | 130 | 3.554,43 | 27,34 | 2 |
| 2023 | 127 | 3.396,05 | 26,74 | 2 |
| 2024 | 147 | 3.699,00 | 25,16 | 2 |
| totale | 2.146 | 53.415,70 | 24,89 | 38 |