| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 107 | 2.346,66 | 21,93 | 1 |
| 2009 | 47 | 1.421,52 | 30,25 | 4 |
| 2010 | 67 | 1.936,10 | 28,90 | 5 |
| 2011 | 217 | 4.984,59 | 22,97 | 3 |
| 2012 | 421 | 9.563,92 | 22,72 | 7 |
| 2013 | 457 | 10.010,35 | 21,90 | 7 |
| 2014 | 269 | 6.895,86 | 25,64 | 4 |
| 2015 | 407 | 10.892,67 | 26,76 | 5 |
| 2016 | 237 | 6.247,60 | 26,36 | 3 |
| 2017 | 400 | 10.933,23 | 27,33 | 5 |
| 2018 | 450 | 13.464,76 | 29,92 | 7 |
| 2019 | 593 | 16.107,88 | 27,16 | 7 |
| 2020 | 666 | 18.761,35 | 28,17 | 7 |
| 2021 | 617 | 18.454,36 | 29,91 | 8 |
| 2022 | 629 | 19.323,17 | 30,72 | 7 |
| 2023 | 657 | 19.066,67 | 29,02 | 7 |
| 2024 | 701 | 20.283,68 | 28,94 | 8 |
| totale | 6.942 | 190.694,37 | 27,47 | 95 |