| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 398 | 6.443,10 | 16,19 | 2 |
| 2007 | 386 | 6.708,62 | 17,38 | 1 |
| 2008 | 132 | 2.634,11 | 19,96 | 1 |
| 2009 | 95 | 1.906,84 | 20,07 | 2 |
| 2010 | 54 | 1.075,48 | 19,92 | 4 |
| 2011 | 34 | 537,60 | 15,81 | 1 |
| 2012 | 50 | 1.436,74 | 28,73 | 3 |
| 2013 | 53 | 1.465,55 | 27,65 | 3 |
| 2014 | 44 | 1.121,77 | 25,49 | 2 |
| 2015 | 64 | 1.391,85 | 21,75 | 2 |
| 2016 | 68 | 1.647,45 | 24,23 | 2 |
| 2017 | 73 | 1.566,17 | 21,45 | 2 |
| 2018 | 113 | 2.980,06 | 26,37 | 4 |
| 2019 | 104 | 3.068,48 | 29,50 | 4 |
| 2020 | 98 | 3.461,80 | 35,32 | 4 |
| 2021 | 76 | 2.985,89 | 39,29 | 4 |
| 2022 | 56 | 2.889,10 | 51,59 | 4 |
| 2023 | 39 | 1.192,97 | 30,59 | 3 |
| 2024 | 51 | 1.082,28 | 21,22 | 4 |
| totale | 1.988 | 45.595,86 | 22,94 | 52 |