| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 167 | 4.173,25 | 24,99 | 3 |
| 2007 | 136 | 4.165,76 | 30,63 | 2 |
| 2008 | 168 | 5.021,46 | 29,89 | 2 |
| 2009 | 220 | 6.993,82 | 31,79 | 4 |
| 2010 | 133 | 3.279,94 | 24,66 | 2 |
| 2012 | 47 | 1.536,76 | 32,70 | 2 |
| 2013 | 79 | 2.378,74 | 30,11 | 3 |
| 2014 | 130 | 4.029,48 | 31,00 | 3 |
| 2015 | 111 | 3.946,33 | 35,55 | 3 |
| 2016 | 127 | 4.334,35 | 34,13 | 3 |
| 2017 | 211 | 6.358,35 | 30,13 | 4 |
| 2018 | 206 | 10.360,86 | 50,30 | 4 |
| 2019 | 212 | 7.673,35 | 36,20 | 4 |
| 2020 | 205 | 8.233,12 | 40,16 | 4 |
| 2021 | 205 | 7.922,46 | 38,65 | 4 |
| 2022 | 112 | 6.106,00 | 54,52 | 3 |
| 2023 | 107 | 6.029,36 | 56,35 | 3 |
| 2024 | 112 | 6.053,29 | 54,05 | 5 |
| totale | 2.688 | 98.596,68 | 36,68 | 58 |