| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 656 | 15.238,09 | 23,23 | 2 |
| 2007 | 552 | 14.444,72 | 26,17 | 1 |
| 2008 | 527 | 12.279,07 | 23,30 | 1 |
| 2009 | 580 | 14.716,04 | 25,37 | 3 |
| 2010 | 797 | 19.341,02 | 24,27 | 5 |
| 2011 | 768 | 17.141,56 | 22,32 | 2 |
| 2012 | 889 | 24.013,04 | 27,01 | 5 |
| 2013 | 932 | 22.500,40 | 24,14 | 5 |
| 2014 | 928 | 29.229,29 | 31,50 | 6 |
| 2015 | 1.073 | 36.874,80 | 34,37 | 7 |
| 2016 | 650 | 19.399,97 | 29,85 | 4 |
| 2017 | 629 | 19.686,57 | 31,30 | 5 |
| 2018 | 592 | 17.193,26 | 29,04 | 6 |
| 2019 | 603 | 17.981,24 | 29,82 | 5 |
| 2020 | 559 | 18.505,96 | 33,11 | 6 |
| 2021 | 528 | 17.040,09 | 32,27 | 5 |
| 2022 | 479 | 16.781,55 | 35,03 | 6 |
| 2023 | 521 | 16.305,91 | 31,30 | 7 |
| 2024 | 640 | 19.135,38 | 29,90 | 10 |
| totale | 12.903 | 367.807,96 | 28,51 | 91 |