| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 957 | 17.748,50 | 18,55 | 6 |
| 2007 | 596 | 12.749,92 | 21,39 | 4 |
| 2008 | 669 | 12.761,88 | 19,08 | 4 |
| 2009 | 1.120 | 21.855,49 | 19,51 | 6 |
| 2010 | 863 | 15.802,26 | 18,31 | 6 |
| 2011 | 650 | 10.197,19 | 15,69 | 4 |
| 2012 | 811 | 14.622,59 | 18,03 | 5 |
| 2013 | 841 | 14.861,99 | 17,67 | 6 |
| 2014 | 361 | 8.287,97 | 22,96 | 5 |
| 2015 | 752 | 17.227,83 | 22,91 | 6 |
| 2016 | 754 | 16.158,74 | 21,43 | 5 |
| 2017 | 1.003 | 19.734,65 | 19,68 | 6 |
| 2018 | 1.108 | 20.773,12 | 18,75 | 7 |
| 2019 | 1.118 | 21.579,87 | 19,30 | 6 |
| 2020 | 1.017 | 20.084,39 | 19,75 | 6 |
| 2021 | 1.088 | 20.489,73 | 18,83 | 6 |
| 2022 | 1.086 | 20.524,25 | 18,90 | 6 |
| 2023 | 1.132 | 20.653,38 | 18,25 | 6 |
| 2024 | 1.175 | 21.496,07 | 18,29 | 6 |
| totale | 17.101 | 327.609,82 | 19,16 | 106 |