| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 214 | 3.165,51 | 14,79 | 2 |
| 2009 | 17 | 333,70 | 19,63 | 1 |
| 2010 | 117 | 1.660,87 | 14,20 | 2 |
| 2011 | 73 | 829,10 | 11,36 | 1 |
| 2012 | 103 | 1.765,31 | 17,14 | 3 |
| 2013 | 111 | 1.571,83 | 14,16 | 4 |
| 2014 | 72 | 1.312,51 | 18,23 | 4 |
| 2015 | 28 | 436,71 | 15,60 | 3 |
| 2016 | 20 | 262,19 | 13,11 | 3 |
| 2017 | 19 | 336,63 | 17,72 | 3 |
| 2018 | 18 | 284,40 | 15,80 | 4 |
| 2019 | 12 | 321,34 | 26,78 | 4 |
| 2020 | 22 | 373,09 | 16,96 | 4 |
| 2021 | 38 | 624,65 | 16,44 | 4 |
| 2022 | 29 | 975,69 | 33,64 | 4 |
| 2023 | 45 | 1.218,41 | 27,08 | 5 |
| 2024 | 181 | 2.851,19 | 15,75 | 6 |
| totale | 1.119 | 18.323,13 | 16,37 | 57 |