| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 12 | 226,55 | 18,88 | 1 |
| 2007 | 410 | 11.614,17 | 28,33 | 1 |
| 2008 | 239 | 7.074,07 | 29,60 | 1 |
| 2009 | 206 | 6.052,73 | 29,38 | 2 |
| 2010 | 199 | 5.161,57 | 25,94 | 2 |
| 2011 | 390 | 7.261,41 | 18,62 | 1 |
| 2012 | 215 | 5.011,42 | 23,31 | 2 |
| 2013 | 136 | 3.385,29 | 24,89 | 2 |
| 2014 | 134 | 4.054,37 | 30,26 | 3 |
| 2015 | 130 | 3.674,44 | 28,26 | 2 |
| 2016 | 148 | 4.665,60 | 31,52 | 3 |
| 2017 | 114 | 4.291,64 | 37,65 | 3 |
| 2018 | 106 | 3.829,05 | 36,12 | 3 |
| 2019 | 94 | 3.280,45 | 34,90 | 2 |
| 2020 | 82 | 3.027,29 | 36,92 | 3 |
| 2021 | 129 | 4.102,85 | 31,81 | 4 |
| 2022 | 105 | 3.382,17 | 32,21 | 4 |
| 2023 | 84 | 2.992,64 | 35,63 | 4 |
| 2024 | 83 | 3.178,61 | 38,30 | 4 |
| totale | 3.016 | 86.266,32 | 28,60 | 47 |