| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 310 | 4.575,82 | 14,76 | 2 |
| 2007 | 77 | 1.765,27 | 22,93 | 2 |
| 2008 | 66 | 3.598,67 | 54,53 | 3 |
| 2009 | 79 | 1.672,86 | 21,18 | 3 |
| 2010 | 51 | 1.381,43 | 27,09 | 2 |
| 2011 | 67 | 1.883,66 | 28,11 | 2 |
| 2012 | 104 | 2.740,64 | 26,35 | 4 |
| 2013 | 108 | 2.824,46 | 26,15 | 4 |
| 2014 | 79 | 2.485,97 | 31,47 | 3 |
| 2015 | 83 | 2.464,66 | 29,69 | 3 |
| 2016 | 80 | 2.216,76 | 27,71 | 3 |
| 2017 | 69 | 2.007,13 | 29,09 | 3 |
| 2018 | 81 | 2.169,46 | 26,78 | 3 |
| 2019 | 86 | 2.277,76 | 26,49 | 3 |
| 2020 | 86 | 3.038,85 | 35,34 | 4 |
| 2021 | 80 | 2.627,51 | 32,84 | 4 |
| 2022 | 65 | 2.309,53 | 35,53 | 4 |
| 2023 | 63 | 2.259,82 | 35,87 | 4 |
| 2024 | 68 | 1.564,60 | 23,01 | 3 |
| totale | 1.702 | 45.864,86 | 26,95 | 59 |