| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 1.196 | 27.055,84 | 22,62 | 2 |
| 2007 | 1.201 | 28.328,76 | 23,59 | 1 |
| 2008 | 1.279 | 29.208,53 | 22,84 | 1 |
| 2009 | 1.229 | 28.655,82 | 23,32 | 3 |
| 2010 | 1.234 | 24.700,96 | 20,02 | 3 |
| 2011 | 1.247 | 24.399,95 | 19,57 | 2 |
| 2012 | 1.203 | 26.109,66 | 21,70 | 5 |
| 2013 | 1.176 | 25.055,56 | 21,31 | 4 |
| 2014 | 1.153 | 30.998,89 | 26,89 | 6 |
| 2015 | 1.048 | 29.059,72 | 27,73 | 6 |
| 2016 | 1.075 | 31.193,07 | 29,02 | 7 |
| 2017 | 1.024 | 28.345,30 | 27,68 | 7 |
| 2018 | 964 | 26.533,65 | 27,52 | 7 |
| 2019 | 908 | 24.984,45 | 27,52 | 7 |
| 2020 | 831 | 24.362,62 | 29,32 | 7 |
| 2021 | 861 | 26.123,19 | 30,34 | 7 |
| 2022 | 735 | 21.688,52 | 29,51 | 7 |
| 2023 | 607 | 17.540,75 | 28,90 | 8 |
| 2024 | 591 | 16.493,20 | 27,91 | 10 |
| totale | 19.562 | 490.838,44 | 25,09 | 100 |