| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 89 | 1.737,27 | 19,52 | 2 |
| 2007 | 91 | 2.324,88 | 25,55 | 1 |
| 2008 | 89 | 2.257,53 | 25,37 | 1 |
| 2009 | 97 | 2.495,13 | 25,72 | 2 |
| 2010 | 73 | 2.677,23 | 36,67 | 2 |
| 2011 | 136 | 2.091,32 | 15,38 | 1 |
| 2012 | 40 | 955,15 | 23,88 | 2 |
| 2013 | 14 | 457,50 | 32,68 | 1 |
| 2014 | 77 | 1.505,82 | 19,56 | 3 |
| 2015 | 76 | 2.044,08 | 26,90 | 3 |
| 2016 | 177 | 5.045,16 | 28,50 | 3 |
| 2017 | 111 | 4.076,52 | 36,73 | 3 |
| 2018 | 123 | 4.560,80 | 37,08 | 3 |
| 2019 | 99 | 3.369,42 | 34,03 | 3 |
| 2020 | 228 | 5.692,94 | 24,97 | 4 |
| 2021 | 535 | 11.235,36 | 21,00 | 4 |
| 2022 | 669 | 14.753,67 | 22,05 | 4 |
| 2023 | 714 | 13.831,58 | 19,37 | 4 |
| 2024 | 750 | 13.811,14 | 18,41 | 4 |
| totale | 4.188 | 94.922,50 | 22,67 | 50 |