| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 970 | 23.700,51 | 24,43 | 3 |
| 2007 | 1.116 | 32.763,98 | 29,36 | 3 |
| 2008 | 1.149 | 35.083,96 | 30,53 | 3 |
| 2009 | 1.105 | 32.084,74 | 29,04 | 4 |
| 2010 | 1.158 | 29.123,44 | 25,15 | 4 |
| 2011 | 1.168 | 28.126,87 | 24,08 | 3 |
| 2012 | 1.168 | 29.695,21 | 25,42 | 5 |
| 2013 | 1.006 | 21.870,95 | 21,74 | 4 |
| 2014 | 920 | 24.334,52 | 26,45 | 4 |
| 2015 | 900 | 23.465,61 | 26,07 | 4 |
| 2016 | 837 | 23.211,83 | 27,73 | 4 |
| 2017 | 786 | 21.321,37 | 27,13 | 4 |
| 2018 | 760 | 21.233,38 | 27,94 | 4 |
| 2019 | 724 | 19.862,11 | 27,43 | 4 |
| 2020 | 690 | 20.388,84 | 29,55 | 4 |
| 2021 | 673 | 18.859,19 | 28,02 | 4 |
| 2022 | 594 | 19.084,04 | 32,13 | 4 |
| 2023 | 169 | 6.350,15 | 37,57 | 3 |
| 2024 | 140 | 6.067,78 | 43,34 | 3 |
| totale | 16.033 | 436.628,48 | 27,23 | 71 |