| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 141 | 2.647,74 | 18,78 | 2 |
| 2007 | 38 | 745,80 | 19,63 | 1 |
| 2009 | 26 | 443,72 | 17,07 | 2 |
| 2010 | 70 | 1.104,32 | 15,78 | 2 |
| 2011 | 74 | 1.157,61 | 15,64 | 1 |
| 2012 | 35 | 587,37 | 16,78 | 2 |
| 2013 | 62 | 1.163,50 | 18,77 | 2 |
| 2014 | 76 | 1.162,61 | 15,30 | 2 |
| 2015 | 48 | 620,18 | 12,92 | 2 |
| 2016 | 25 | 291,81 | 11,67 | 2 |
| 2017 | 30 | 534,02 | 17,80 | 3 |
| 2018 | 76 | 1.699,27 | 22,36 | 5 |
| 2019 | 71 | 1.486,76 | 20,94 | 5 |
| 2020 | 109 | 3.150,84 | 28,91 | 5 |
| 2021 | 168 | 3.033,40 | 18,06 | 5 |
| 2022 | 142 | 3.444,83 | 24,26 | 6 |
| 2023 | 151 | 3.432,17 | 22,73 | 7 |
| 2024 | 140 | 2.979,61 | 21,28 | 8 |
| totale | 1.482 | 29.685,56 | 20,03 | 62 |