| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 417 | 8.668,86 | 20,79 | 4 |
| 2007 | 255 | 9.118,94 | 35,76 | 4 |
| 2008 | 107 | 6.830,57 | 63,84 | 2 |
| 2009 | 341 | 12.228,50 | 35,86 | 6 |
| 2010 | 425 | 14.233,26 | 33,49 | 5 |
| 2011 | 533 | 15.868,83 | 29,77 | 5 |
| 2012 | 624 | 17.534,96 | 28,10 | 8 |
| 2013 | 741 | 20.708,83 | 27,95 | 8 |
| 2014 | 692 | 25.573,52 | 36,96 | 6 |
| 2015 | 699 | 26.405,27 | 37,78 | 7 |
| 2016 | 693 | 25.468,08 | 36,75 | 7 |
| 2017 | 889 | 27.634,00 | 31,08 | 10 |
| 2018 | 949 | 33.690,79 | 35,50 | 13 |
| 2019 | 1.193 | 41.801,71 | 35,04 | 13 |
| 2020 | 1.131 | 40.546,24 | 35,85 | 13 |
| 2021 | 1.102 | 40.639,68 | 36,88 | 14 |
| 2022 | 883 | 35.151,62 | 39,81 | 9 |
| 2023 | 969 | 41.430,81 | 42,76 | 12 |
| 2024 | 1.110 | 41.758,76 | 37,62 | 12 |
| totale | 13.753 | 485.293,23 | 35,29 | 158 |