| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 74 | 1.461,72 | 19,75 | 2 |
| 2007 | 30 | 777,91 | 25,93 | 1 |
| 2008 | 57 | 1.138,63 | 19,98 | 1 |
| 2009 | 87 | 1.957,78 | 22,50 | 3 |
| 2010 | 69 | 1.495,21 | 21,67 | 2 |
| 2011 | 27 | 661,81 | 24,51 | 1 |
| 2012 | 74 | 1.254,90 | 16,96 | 2 |
| 2013 | 358 | 6.601,33 | 18,44 | 3 |
| 2014 | 350 | 7.628,65 | 21,80 | 3 |
| 2015 | 301 | 6.715,68 | 22,31 | 2 |
| 2016 | 223 | 4.584,69 | 20,56 | 3 |
| 2017 | 216 | 4.454,01 | 20,62 | 3 |
| 2018 | 178 | 3.567,78 | 20,04 | 3 |
| 2019 | 168 | 3.397,10 | 20,22 | 3 |
| 2020 | 139 | 3.143,08 | 22,61 | 4 |
| 2021 | 122 | 2.627,32 | 21,54 | 4 |
| 2022 | 117 | 2.509,20 | 21,45 | 3 |
| 2023 | 132 | 2.696,74 | 20,43 | 6 |
| 2024 | 120 | 2.920,23 | 24,34 | 7 |
| totale | 2.842 | 59.593,77 | 20,97 | 56 |