| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 60 | 1.226,91 | 20,45 | 2 |
| 2007 | 43 | 1.070,07 | 24,89 | 1 |
| 2008 | 135 | 3.835,18 | 28,41 | 1 |
| 2009 | 108 | 2.601,49 | 24,09 | 2 |
| 2010 | 112 | 2.324,65 | 20,76 | 2 |
| 2011 | 95 | 2.007,98 | 21,14 | 1 |
| 2012 | 93 | 2.326,32 | 25,01 | 2 |
| 2013 | 93 | 2.127,74 | 22,88 | 2 |
| 2014 | 74 | 2.092,55 | 28,28 | 2 |
| 2015 | 72 | 2.033,72 | 28,25 | 2 |
| 2016 | 77 | 1.930,39 | 25,07 | 2 |
| 2017 | 69 | 1.981,10 | 28,71 | 2 |
| 2018 | 71 | 2.041,30 | 28,75 | 2 |
| 2019 | 76 | 2.225,84 | 29,29 | 2 |
| 2020 | 72 | 2.118,54 | 29,42 | 2 |
| 2021 | 72 | 2.104,20 | 29,23 | 2 |
| 2022 | 47 | 1.534,44 | 32,65 | 2 |
| 2023 | 41 | 1.247,61 | 30,43 | 2 |
| 2024 | 40 | 988,15 | 24,70 | 2 |
| totale | 1.450 | 37.818,18 | 26,08 | 35 |