| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 920 | 18.697,53 | 20,32 | 4 |
| 2007 | 733 | 16.344,97 | 22,30 | 3 |
| 2008 | 918 | 20.097,37 | 21,89 | 3 |
| 2009 | 735 | 16.033,76 | 21,81 | 4 |
| 2010 | 721 | 13.047,79 | 18,10 | 3 |
| 2011 | 679 | 12.696,19 | 18,70 | 2 |
| 2012 | 620 | 12.463,08 | 20,10 | 4 |
| 2013 | 754 | 14.723,69 | 19,53 | 4 |
| 2014 | 842 | 20.502,20 | 24,35 | 5 |
| 2015 | 903 | 21.952,16 | 24,31 | 5 |
| 2016 | 912 | 22.018,32 | 24,14 | 5 |
| 2017 | 938 | 23.182,84 | 24,72 | 5 |
| 2018 | 1.004 | 25.444,21 | 25,34 | 5 |
| 2019 | 1.009 | 24.555,60 | 24,34 | 5 |
| 2020 | 1.001 | 27.440,60 | 27,41 | 5 |
| 2021 | 987 | 24.572,37 | 24,90 | 5 |
| 2022 | 963 | 25.862,60 | 26,86 | 5 |
| 2023 | 926 | 26.472,30 | 28,59 | 5 |
| 2024 | 801 | 21.061,42 | 26,29 | 5 |
| totale | 16.366 | 387.169,00 | 23,66 | 82 |