| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 728 | 15.236,68 | 20,93 | 2 |
| 2007 | 430 | 10.699,54 | 24,88 | 3 |
| 2008 | 346 | 10.020,40 | 28,96 | 3 |
| 2009 | 486 | 15.649,30 | 32,20 | 5 |
| 2010 | 814 | 18.891,20 | 23,21 | 4 |
| 2011 | 245 | 6.534,96 | 26,67 | 3 |
| 2012 | 285 | 7.945,97 | 27,88 | 4 |
| 2013 | 386 | 9.675,51 | 25,07 | 6 |
| 2014 | 595 | 17.500,68 | 29,41 | 7 |
| 2015 | 847 | 24.753,81 | 29,23 | 9 |
| 2016 | 801 | 24.743,53 | 30,89 | 10 |
| 2017 | 415 | 13.881,01 | 33,45 | 10 |
| 2018 | 870 | 26.251,07 | 30,17 | 14 |
| 2019 | 818 | 25.463,86 | 31,13 | 13 |
| 2020 | 734 | 23.907,88 | 32,57 | 12 |
| 2021 | 820 | 25.334,60 | 30,90 | 12 |
| 2022 | 646 | 21.666,15 | 33,54 | 11 |
| 2023 | 853 | 26.833,13 | 31,46 | 19 |
| 2024 | 1.199 | 30.441,66 | 25,39 | 24 |
| totale | 12.318 | 355.430,94 | 28,85 | 171 |