| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 220 | 3.459,13 | 15,72 | 2 |
| 2007 | 34 | 2.019,29 | 59,39 | 1 |
| 2008 | 152 | 5.057,74 | 33,27 | 2 |
| 2009 | 121 | 2.246,46 | 18,57 | 2 |
| 2010 | 147 | 4.831,66 | 32,87 | 4 |
| 2011 | 152 | 4.539,34 | 29,86 | 2 |
| 2012 | 170 | 5.277,98 | 31,05 | 4 |
| 2013 | 190 | 6.108,50 | 32,15 | 4 |
| 2014 | 114 | 2.569,10 | 22,54 | 3 |
| 2015 | 193 | 7.949,94 | 41,19 | 4 |
| 2016 | 194 | 7.740,02 | 39,90 | 4 |
| 2017 | 183 | 8.054,40 | 44,01 | 4 |
| 2018 | 177 | 6.357,71 | 35,92 | 4 |
| 2019 | 158 | 6.572,24 | 41,60 | 5 |
| 2020 | 158 | 6.492,51 | 41,09 | 5 |
| 2021 | 143 | 6.340,78 | 44,34 | 5 |
| 2022 | 73 | 2.888,32 | 39,57 | 3 |
| 2023 | 85 | 2.830,01 | 33,29 | 3 |
| 2024 | 106 | 2.970,93 | 28,03 | 5 |
| totale | 2.770 | 94.306,06 | 34,05 | 66 |