| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 182 | 3.341,42 | 18,36 | 3 |
| 2007 | 3 | 101,60 | 33,87 | 1 |
| 2008 | 223 | 6.117,51 | 27,43 | 2 |
| 2009 | 300 | 6.840,73 | 22,80 | 3 |
| 2010 | 483 | 10.368,86 | 21,47 | 3 |
| 2011 | 629 | 14.597,25 | 23,21 | 5 |
| 2012 | 653 | 17.354,67 | 26,58 | 7 |
| 2013 | 682 | 16.940,22 | 24,84 | 4 |
| 2014 | 3.519 | 88.658,62 | 25,19 | 4 |
| 2015 | 3.408 | 84.778,49 | 24,88 | 6 |
| 2016 | 4.376 | 117.252,65 | 26,79 | 9 |
| 2017 | 2.790 | 74.318,54 | 26,64 | 7 |
| 2018 | 3.873 | 96.724,65 | 24,97 | 8 |
| 2019 | 4.751 | 127.222,53 | 26,78 | 9 |
| 2020 | 3.810 | 109.139,44 | 28,65 | 11 |
| 2021 | 4.140 | 117.653,39 | 28,42 | 13 |
| 2022 | 3.195 | 96.923,34 | 30,34 | 15 |
| 2023 | 3.586 | 102.419,13 | 28,56 | 17 |
| 2024 | 3.262 | 91.880,86 | 28,17 | 18 |
| totale | 43.865 | 1.182.633,90 | 26,96 | 145 |