| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 845 | 17.854,10 | 21,13 | 4 |
| 2007 | 739 | 16.427,39 | 22,23 | 3 |
| 2008 | 834 | 18.323,86 | 21,97 | 2 |
| 2009 | 884 | 20.110,56 | 22,75 | 3 |
| 2010 | 947 | 17.743,73 | 18,74 | 3 |
| 2011 | 952 | 18.075,12 | 18,99 | 2 |
| 2012 | 990 | 19.709,75 | 19,91 | 3 |
| 2013 | 1.024 | 18.533,40 | 18,10 | 3 |
| 2014 | 1.059 | 25.755,89 | 24,32 | 3 |
| 2015 | 1.049 | 25.974,14 | 24,76 | 3 |
| 2016 | 997 | 24.403,30 | 24,48 | 3 |
| 2017 | 889 | 22.087,97 | 24,85 | 3 |
| 2018 | 877 | 22.139,08 | 25,24 | 3 |
| 2019 | 839 | 20.238,97 | 24,12 | 4 |
| 2020 | 821 | 20.659,63 | 25,16 | 4 |
| 2021 | 785 | 19.570,97 | 24,93 | 5 |
| 2022 | 427 | 8.846,20 | 20,72 | 6 |
| 2023 | 812 | 20.008,79 | 24,64 | 7 |
| 2024 | 874 | 21.976,52 | 25,14 | 6 |
| totale | 16.644 | 378.439,37 | 22,74 | 70 |