| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 1.405 | 28.078,69 | 19,98 | 6 |
| 2007 | 668 | 15.799,21 | 23,65 | 6 |
| 2008 | 753 | 18.805,59 | 24,97 | 9 |
| 2009 | 925 | 20.747,66 | 22,43 | 15 |
| 2010 | 1.029 | 20.342,76 | 19,77 | 15 |
| 2011 | 843 | 17.935,56 | 21,28 | 9 |
| 2012 | 1.228 | 28.037,60 | 22,83 | 15 |
| 2013 | 1.107 | 24.125,71 | 21,79 | 16 |
| 2014 | 945 | 27.569,42 | 29,17 | 15 |
| 2015 | 879 | 22.824,42 | 25,97 | 14 |
| 2016 | 853 | 22.496,16 | 26,37 | 13 |
| 2017 | 828 | 21.529,82 | 26,00 | 13 |
| 2018 | 809 | 20.950,07 | 25,90 | 16 |
| 2019 | 788 | 20.621,66 | 26,17 | 17 |
| 2020 | 801 | 22.237,91 | 27,76 | 17 |
| 2021 | 840 | 23.965,59 | 28,53 | 18 |
| 2022 | 885 | 25.705,02 | 29,05 | 20 |
| 2023 | 916 | 26.356,60 | 28,77 | 22 |
| 2024 | 1.048 | 30.545,73 | 29,15 | 26 |
| totale | 17.550 | 438.675,18 | 25,00 | 282 |