| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 593 | 12.233,30 | 20,63 | 3 |
| 2007 | 516 | 11.976,30 | 23,21 | 2 |
| 2008 | 520 | 11.186,27 | 21,51 | 2 |
| 2009 | 556 | 11.569,96 | 20,81 | 3 |
| 2010 | 693 | 12.930,32 | 18,66 | 3 |
| 2011 | 679 | 11.331,61 | 16,69 | 2 |
| 2012 | 846 | 16.351,31 | 19,33 | 5 |
| 2013 | 939 | 16.093,01 | 17,14 | 5 |
| 2014 | 925 | 20.921,05 | 22,62 | 5 |
| 2015 | 921 | 21.523,99 | 23,37 | 5 |
| 2016 | 929 | 22.572,26 | 24,30 | 5 |
| 2017 | 949 | 24.593,99 | 25,92 | 5 |
| 2018 | 920 | 21.655,26 | 23,54 | 6 |
| 2019 | 909 | 22.869,03 | 25,16 | 6 |
| 2020 | 897 | 22.970,12 | 25,61 | 6 |
| 2021 | 864 | 21.905,48 | 25,35 | 7 |
| 2022 | 858 | 21.161,12 | 24,66 | 7 |
| 2023 | 866 | 20.209,72 | 23,34 | 7 |
| 2024 | 889 | 20.059,98 | 22,56 | 7 |
| totale | 15.269 | 344.114,08 | 22,54 | 91 |