| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 118 | 5.596,78 | 47,43 | 2 |
| 2007 | 85 | 2.081,53 | 24,49 | 1 |
| 2008 | 96 | 2.685,71 | 27,98 | 1 |
| 2009 | 120 | 3.164,66 | 26,37 | 3 |
| 2010 | 144 | 3.814,13 | 26,49 | 3 |
| 2011 | 119 | 2.588,49 | 21,75 | 1 |
| 2012 | 136 | 3.725,52 | 27,39 | 3 |
| 2013 | 150 | 8.190,63 | 54,60 | 4 |
| 2014 | 212 | 10.286,54 | 48,52 | 6 |
| 2015 | 222 | 10.805,40 | 48,67 | 6 |
| 2016 | 191 | 10.327,19 | 54,07 | 5 |
| 2017 | 188 | 9.321,72 | 49,58 | 5 |
| 2018 | 159 | 6.600,11 | 41,51 | 5 |
| 2019 | 158 | 7.544,56 | 47,75 | 5 |
| 2020 | 133 | 6.412,05 | 48,21 | 5 |
| 2021 | 138 | 8.241,30 | 59,72 | 5 |
| 2022 | 137 | 7.199,91 | 52,55 | 5 |
| 2023 | 133 | 8.206,98 | 61,71 | 7 |
| 2024 | 131 | 7.290,13 | 55,65 | 7 |
| totale | 2.770 | 124.083,34 | 44,80 | 79 |