| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 775 | 18.873,78 | 24,35 | 5 |
| 2007 | 619 | 18.132,09 | 29,29 | 4 |
| 2008 | 642 | 18.774,33 | 29,24 | 5 |
| 2009 | 783 | 23.740,21 | 30,32 | 7 |
| 2010 | 865 | 22.058,34 | 25,50 | 7 |
| 2011 | 778 | 21.767,53 | 27,98 | 5 |
| 2012 | 759 | 24.376,27 | 32,12 | 7 |
| 2013 | 1.024 | 30.253,44 | 29,54 | 8 |
| 2014 | 996 | 34.720,60 | 34,86 | 8 |
| 2015 | 918 | 33.427,09 | 36,41 | 10 |
| 2016 | 866 | 34.303,02 | 39,61 | 7 |
| 2017 | 874 | 32.244,91 | 36,89 | 6 |
| 2018 | 839 | 26.382,84 | 31,45 | 7 |
| 2019 | 854 | 28.369,19 | 33,22 | 7 |
| 2020 | 824 | 29.142,54 | 35,37 | 7 |
| 2021 | 823 | 29.697,68 | 36,08 | 8 |
| 2022 | 773 | 28.813,41 | 37,27 | 8 |
| 2023 | 775 | 30.859,99 | 39,82 | 9 |
| 2024 | 819 | 29.561,37 | 36,09 | 11 |
| totale | 15.606 | 515.498,63 | 33,03 | 136 |