| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 199 | 4.007,21 | 20,14 | 1 |
| 2007 | 183 | 4.717,49 | 25,78 | 1 |
| 2008 | 140 | 3.997,99 | 28,56 | 1 |
| 2009 | 377 | 8.044,65 | 21,34 | 4 |
| 2010 | 225 | 5.159,07 | 22,93 | 5 |
| 2011 | 528 | 8.618,18 | 16,32 | 4 |
| 2012 | 444 | 9.350,10 | 21,06 | 5 |
| 2013 | 599 | 12.117,04 | 20,23 | 6 |
| 2014 | 662 | 16.791,03 | 25,36 | 5 |
| 2015 | 621 | 16.388,75 | 26,39 | 7 |
| 2016 | 781 | 22.714,05 | 29,08 | 9 |
| 2017 | 727 | 22.706,01 | 31,23 | 10 |
| 2018 | 778 | 22.173,74 | 28,50 | 10 |
| 2019 | 709 | 18.870,71 | 26,62 | 10 |
| 2020 | 829 | 24.196,00 | 29,19 | 11 |
| 2021 | 686 | 19.258,34 | 28,07 | 10 |
| 2022 | 628 | 19.483,61 | 31,02 | 10 |
| 2023 | 621 | 17.420,51 | 28,05 | 12 |
| 2024 | 796 | 20.165,84 | 25,33 | 14 |
| totale | 10.533 | 276.180,32 | 26,22 | 135 |