| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 1.144 | 29.001,15 | 25,35 | 4 |
| 2007 | 845 | 23.791,52 | 28,16 | 3 |
| 2008 | 1.054 | 28.288,88 | 26,84 | 3 |
| 2009 | 912 | 24.411,98 | 26,77 | 4 |
| 2010 | 1.028 | 22.231,08 | 21,63 | 3 |
| 2011 | 970 | 21.109,25 | 21,76 | 4 |
| 2012 | 974 | 21.101,04 | 21,66 | 4 |
| 2013 | 900 | 18.045,34 | 20,05 | 4 |
| 2014 | 840 | 22.907,30 | 27,27 | 4 |
| 2015 | 852 | 22.130,47 | 25,97 | 6 |
| 2016 | 826 | 23.086,76 | 27,95 | 5 |
| 2017 | 766 | 20.408,28 | 26,64 | 6 |
| 2018 | 755 | 19.728,05 | 26,13 | 6 |
| 2019 | 799 | 20.761,47 | 25,98 | 7 |
| 2020 | 719 | 22.893,35 | 31,84 | 6 |
| 2021 | 755 | 22.793,79 | 30,19 | 6 |
| 2022 | 731 | 23.151,48 | 31,67 | 6 |
| 2023 | 713 | 20.617,13 | 28,92 | 6 |
| 2024 | 769 | 21.234,71 | 27,61 | 8 |
| totale | 16.352 | 427.693,03 | 26,16 | 95 |