| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 1.227 | 33.056,02 | 26,94 | 2 |
| 2007 | 1.300 | 34.601,74 | 26,62 | 3 |
| 2008 | 1.145 | 33.178,97 | 28,98 | 3 |
| 2009 | 1.003 | 31.555,70 | 31,46 | 2 |
| 2010 | 1.059 | 30.747,83 | 29,03 | 3 |
| 2011 | 1.200 | 31.282,89 | 26,07 | 2 |
| 2012 | 1.367 | 32.035,72 | 23,44 | 3 |
| 2013 | 1.350 | 28.347,46 | 21,00 | 3 |
| 2014 | 862 | 24.466,75 | 28,38 | 3 |
| 2015 | 841 | 24.219,15 | 28,80 | 4 |
| 2016 | 905 | 25.555,68 | 28,24 | 5 |
| 2017 | 925 | 25.000,47 | 27,03 | 5 |
| 2018 | 873 | 24.384,05 | 27,93 | 5 |
| 2019 | 808 | 20.752,71 | 25,68 | 5 |
| 2020 | 770 | 20.693,68 | 26,87 | 6 |
| 2021 | 819 | 23.167,37 | 28,29 | 6 |
| 2022 | 755 | 20.682,34 | 27,39 | 6 |
| 2023 | 708 | 17.930,77 | 25,33 | 6 |
| 2024 | 662 | 16.279,93 | 24,59 | 6 |
| totale | 18.579 | 497.939,23 | 26,80 | 78 |