| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 172 | 3.490,69 | 20,29 | 3 |
| 2007 | 138 | 3.088,22 | 22,38 | 2 |
| 2008 | 79 | 2.359,41 | 29,87 | 1 |
| 2009 | 92 | 2.922,90 | 31,77 | 3 |
| 2010 | 168 | 3.711,09 | 22,09 | 5 |
| 2011 | 94 | 2.631,88 | 28,00 | 2 |
| 2012 | 134 | 3.818,65 | 28,50 | 4 |
| 2013 | 135 | 3.395,59 | 25,15 | 3 |
| 2014 | 131 | 3.947,11 | 30,13 | 2 |
| 2015 | 132 | 4.130,10 | 31,29 | 3 |
| 2016 | 141 | 4.196,30 | 29,76 | 4 |
| 2017 | 144 | 3.957,18 | 27,48 | 4 |
| 2018 | 163 | 4.323,90 | 26,53 | 4 |
| 2019 | 176 | 5.390,85 | 30,63 | 4 |
| 2020 | 157 | 4.950,79 | 31,53 | 4 |
| 2021 | 159 | 5.187,93 | 32,63 | 4 |
| 2022 | 157 | 4.329,21 | 27,57 | 4 |
| 2023 | 197 | 5.163,59 | 26,21 | 5 |
| 2024 | 194 | 6.030,68 | 31,09 | 7 |
| totale | 2.763 | 77.026,07 | 27,88 | 68 |