| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 811 | 14.778,15 | 18,22 | 5 |
| 2007 | 188 | 4.200,36 | 22,34 | 6 |
| 2008 | 252 | 6.205,29 | 24,62 | 3 |
| 2009 | 328 | 7.297,39 | 22,25 | 7 |
| 2010 | 280 | 4.894,93 | 17,48 | 9 |
| 2011 | 511 | 6.999,06 | 13,70 | 7 |
| 2012 | 784 | 12.752,13 | 16,27 | 9 |
| 2013 | 897 | 13.148,92 | 14,66 | 12 |
| 2014 | 912 | 17.914,14 | 19,64 | 12 |
| 2015 | 910 | 16.905,06 | 18,58 | 14 |
| 2016 | 367 | 7.520,08 | 20,49 | 13 |
| 2017 | 818 | 16.049,33 | 19,62 | 15 |
| 2018 | 692 | 13.389,19 | 19,35 | 15 |
| 2019 | 646 | 12.763,18 | 19,76 | 15 |
| 2020 | 515 | 10.771,31 | 20,92 | 15 |
| 2021 | 475 | 9.828,22 | 20,69 | 16 |
| 2022 | 465 | 9.678,36 | 20,81 | 17 |
| 2023 | 545 | 11.635,11 | 21,35 | 18 |
| 2024 | 614 | 12.595,99 | 20,51 | 19 |
| totale | 11.010 | 209.326,20 | 19,01 | 227 |