| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 16 | 283,63 | 17,73 | 1 |
| 2008 | 25 | 670,85 | 26,83 | 1 |
| 2009 | 145 | 2.198,28 | 15,16 | 3 |
| 2010 | 231 | 2.869,59 | 12,42 | 5 |
| 2011 | 97 | 1.098,88 | 11,33 | 2 |
| 2012 | 116 | 1.433,78 | 12,36 | 4 |
| 2013 | 82 | 1.333,77 | 16,27 | 2 |
| 2014 | 103 | 2.150,23 | 20,88 | 3 |
| 2015 | 187 | 3.430,72 | 18,35 | 3 |
| 2016 | 241 | 4.560,68 | 18,92 | 3 |
| 2017 | 174 | 2.821,10 | 16,21 | 3 |
| 2018 | 135 | 2.179,28 | 16,14 | 3 |
| 2019 | 64 | 993,67 | 15,53 | 3 |
| 2020 | 107 | 1.583,15 | 14,80 | 3 |
| 2021 | 168 | 2.107,16 | 12,54 | 3 |
| 2022 | 105 | 1.116,72 | 10,64 | 3 |
| 2023 | 75 | 987,17 | 13,16 | 3 |
| 2024 | 91 | 1.182,94 | 13,00 | 3 |
| totale | 2.162 | 33.001,60 | 15,26 | 51 |