| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 94 | 1.100,95 | 11,71 | 1 |
| 2007 | 115 | 2.905,40 | 25,26 | 1 |
| 2008 | 105 | 3.021,49 | 28,78 | 1 |
| 2009 | 122 | 3.318,00 | 27,20 | 2 |
| 2010 | 140 | 3.186,58 | 22,76 | 2 |
| 2011 | 135 | 3.155,45 | 23,37 | 1 |
| 2012 | 132 | 2.915,15 | 22,08 | 2 |
| 2013 | 62 | 845,12 | 13,63 | 1 |
| 2014 | 65 | 1.148,77 | 17,67 | 1 |
| 2015 | 63 | 1.113,81 | 17,68 | 1 |
| 2016 | 65 | 1.166,93 | 17,95 | 1 |
| 2017 | 50 | 964,09 | 19,28 | 1 |
| 2018 | 11 | 182,34 | 16,58 | 1 |
| 2019 | 13 | 245,80 | 18,91 | 1 |
| 2020 | 17 | 340,21 | 20,01 | 1 |
| 2021 | 23 | 1.002,19 | 43,57 | 2 |
| 2022 | 8 | 201,56 | 25,20 | 1 |
| 2023 | 9 | 171,98 | 19,11 | 1 |
| 2024 | 6 | 127,42 | 21,24 | 1 |
| totale | 1.235 | 27.113,24 | 21,95 | 23 |