| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 280 | 5.163,81 | 18,44 | 2 |
| 2007 | 169 | 3.616,01 | 21,40 | 2 |
| 2008 | 181 | 3.604,38 | 19,91 | 2 |
| 2009 | 172 | 3.635,16 | 21,13 | 3 |
| 2010 | 166 | 2.983,77 | 17,97 | 4 |
| 2011 | 128 | 2.018,82 | 15,77 | 2 |
| 2012 | 117 | 2.108,99 | 18,03 | 4 |
| 2013 | 130 | 2.378,56 | 18,30 | 4 |
| 2014 | 152 | 3.377,01 | 22,22 | 4 |
| 2015 | 127 | 2.680,94 | 21,11 | 3 |
| 2016 | 122 | 2.917,80 | 23,92 | 4 |
| 2017 | 117 | 3.588,61 | 30,67 | 4 |
| 2018 | 113 | 3.917,43 | 34,67 | 4 |
| 2019 | 114 | 3.247,73 | 28,49 | 4 |
| 2020 | 99 | 2.897,03 | 29,26 | 4 |
| 2021 | 115 | 3.108,86 | 27,03 | 4 |
| 2022 | 104 | 2.924,17 | 28,12 | 4 |
| 2023 | 110 | 2.793,24 | 25,39 | 4 |
| 2024 | 107 | 3.004,00 | 28,07 | 4 |
| totale | 2.623 | 59.966,32 | 22,86 | 66 |