| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 104 | 2.273,06 | 21,86 | 2 |
| 2007 | 68 | 1.906,34 | 28,03 | 1 |
| 2008 | 88 | 1.929,37 | 21,92 | 1 |
| 2009 | 68 | 1.952,85 | 28,72 | 2 |
| 2010 | 87 | 2.048,07 | 23,54 | 2 |
| 2011 | 64 | 1.692,32 | 26,44 | 1 |
| 2012 | 77 | 1.982,73 | 25,75 | 2 |
| 2013 | 57 | 1.303,03 | 22,86 | 2 |
| 2014 | 52 | 1.207,51 | 23,22 | 2 |
| 2015 | 42 | 1.009,27 | 24,03 | 2 |
| 2016 | 41 | 1.059,38 | 25,84 | 3 |
| 2017 | 45 | 1.341,49 | 29,81 | 3 |
| 2018 | 55 | 1.369,51 | 24,90 | 4 |
| 2019 | 44 | 1.040,55 | 23,65 | 4 |
| 2020 | 47 | 1.080,95 | 23,00 | 4 |
| 2021 | 41 | 938,34 | 22,89 | 4 |
| 2022 | 42 | 747,46 | 17,80 | 4 |
| 2023 | 29 | 607,94 | 20,96 | 4 |
| 2024 | 25 | 533,14 | 21,33 | 3 |
| totale | 1.076 | 26.023,31 | 24,19 | 50 |