| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 936 | 23.436,38 | 25,04 | 2 |
| 2007 | 510 | 19.773,99 | 38,77 | 2 |
| 2008 | 948 | 32.016,30 | 33,77 | 5 |
| 2009 | 825 | 25.116,13 | 30,44 | 8 |
| 2010 | 1.054 | 33.107,02 | 31,41 | 8 |
| 2011 | 382 | 10.818,77 | 28,32 | 5 |
| 2012 | 673 | 16.356,97 | 24,30 | 8 |
| 2013 | 421 | 10.108,41 | 24,01 | 6 |
| 2014 | 587 | 16.577,34 | 28,24 | 10 |
| 2015 | 817 | 22.079,17 | 27,02 | 8 |
| 2016 | 654 | 19.141,27 | 29,27 | 9 |
| 2017 | 663 | 17.067,66 | 25,74 | 12 |
| 2018 | 998 | 30.887,79 | 30,95 | 13 |
| 2019 | 701 | 21.047,45 | 30,02 | 11 |
| 2020 | 565 | 16.293,66 | 28,84 | 11 |
| 2021 | 704 | 21.263,79 | 30,20 | 14 |
| 2022 | 749 | 23.298,33 | 31,11 | 17 |
| 2023 | 742 | 22.766,78 | 30,68 | 23 |
| 2024 | 1.044 | 27.412,87 | 26,26 | 26 |
| totale | 13.973 | 408.570,08 | 29,24 | 198 |