| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 136 | 1.419,03 | 10,43 | 2 |
| 2007 | 16 | 233,32 | 14,58 | 1 |
| 2008 | 32 | 764,50 | 23,89 | 1 |
| 2009 | 51 | 1.023,99 | 20,08 | 2 |
| 2010 | 25 | 653,35 | 26,13 | 2 |
| 2011 | 36 | 581,79 | 16,16 | 2 |
| 2012 | 5 | 44,30 | 8,86 | 1 |
| 2013 | 38 | 652,49 | 17,17 | 2 |
| 2014 | 15 | 277,81 | 18,52 | 1 |
| 2015 | 21 | 704,02 | 33,52 | 2 |
| 2016 | 13 | 148,04 | 11,39 | 1 |
| 2017 | 10 | 201,87 | 20,19 | 1 |
| 2018 | 6 | 186,29 | 31,05 | 1 |
| 2019 | 13 | 302,39 | 23,26 | 1 |
| 2020 | 19 | 404,81 | 21,31 | 1 |
| 2021 | 19 | 420,72 | 22,14 | 1 |
| 2022 | 18 | 506,55 | 28,14 | 1 |
| 2023 | 14 | 462,27 | 33,02 | 1 |
| 2024 | 14 | 390,08 | 27,86 | 1 |
| totale | 501 | 9.377,62 | 18,72 | 25 |