| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 336 | 6.142,86 | 18,28 | 2 |
| 2007 | 96 | 2.286,02 | 23,81 | 1 |
| 2008 | 40 | 924,81 | 23,12 | 2 |
| 2009 | 74 | 1.815,67 | 24,54 | 3 |
| 2010 | 105 | 2.411,38 | 22,97 | 4 |
| 2011 | 72 | 1.585,62 | 22,02 | 2 |
| 2012 | 106 | 2.277,07 | 21,48 | 5 |
| 2013 | 117 | 2.247,17 | 19,21 | 3 |
| 2014 | 109 | 2.961,06 | 27,17 | 6 |
| 2015 | 126 | 3.252,61 | 25,81 | 6 |
| 2016 | 152 | 3.544,21 | 23,32 | 7 |
| 2017 | 143 | 3.558,53 | 24,88 | 6 |
| 2018 | 123 | 3.077,75 | 25,02 | 6 |
| 2019 | 131 | 3.035,12 | 23,17 | 6 |
| 2020 | 125 | 2.803,81 | 22,43 | 6 |
| 2021 | 100 | 2.321,56 | 23,22 | 5 |
| 2022 | 95 | 2.304,28 | 24,26 | 5 |
| 2023 | 84 | 2.142,03 | 25,50 | 4 |
| 2024 | 86 | 2.119,05 | 24,64 | 4 |
| totale | 2.220 | 50.810,61 | 22,89 | 83 |