| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 252 | 4.729,67 | 18,77 | 2 |
| 2007 | 142 | 3.099,05 | 21,82 | 1 |
| 2008 | 93 | 2.039,28 | 21,93 | 1 |
| 2009 | 98 | 2.228,21 | 22,74 | 2 |
| 2010 | 180 | 3.744,62 | 20,80 | 2 |
| 2011 | 58 | 1.109,27 | 19,13 | 1 |
| 2012 | 131 | 2.608,74 | 19,91 | 2 |
| 2013 | 65 | 1.369,94 | 21,08 | 1 |
| 2014 | 97 | 2.524,62 | 26,03 | 2 |
| 2015 | 119 | 2.983,23 | 25,07 | 2 |
| 2016 | 138 | 4.034,92 | 29,24 | 2 |
| 2017 | 133 | 3.642,20 | 27,38 | 2 |
| 2018 | 115 | 2.982,39 | 25,93 | 2 |
| 2019 | 133 | 3.352,80 | 25,21 | 2 |
| 2020 | 115 | 3.215,68 | 27,96 | 2 |
| 2021 | 106 | 2.976,78 | 28,08 | 2 |
| 2022 | 111 | 2.798,74 | 25,21 | 2 |
| 2023 | 115 | 2.813,73 | 24,47 | 2 |
| 2024 | 106 | 2.598,92 | 24,52 | 2 |
| totale | 2.307 | 54.852,79 | 23,78 | 34 |