| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 921 | 25.087,89 | 27,24 | 7 |
| 2007 | 827 | 25.219,99 | 30,50 | 7 |
| 2008 | 840 | 24.400,99 | 29,05 | 8 |
| 2009 | 853 | 23.764,76 | 27,86 | 8 |
| 2010 | 956 | 23.713,52 | 24,80 | 8 |
| 2011 | 894 | 19.019,21 | 21,27 | 6 |
| 2012 | 1.023 | 25.362,23 | 24,79 | 7 |
| 2013 | 803 | 19.089,21 | 23,77 | 6 |
| 2014 | 760 | 22.003,58 | 28,95 | 6 |
| 2015 | 679 | 22.770,70 | 33,54 | 6 |
| 2016 | 625 | 20.421,13 | 32,67 | 6 |
| 2017 | 450 | 14.880,49 | 33,07 | 5 |
| 2018 | 429 | 14.754,89 | 34,39 | 5 |
| 2019 | 429 | 14.088,16 | 32,84 | 5 |
| 2020 | 402 | 14.290,10 | 35,55 | 5 |
| 2021 | 439 | 14.408,04 | 32,82 | 5 |
| 2022 | 325 | 11.094,06 | 34,14 | 4 |
| 2023 | 365 | 11.487,41 | 31,47 | 6 |
| 2024 | 372 | 14.487,89 | 38,95 | 7 |
| totale | 12.392 | 360.344,25 | 29,08 | 117 |