| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 223 | 4.629,51 | 20,76 | 1 |
| 2008 | 19 | 859,16 | 45,22 | 1 |
| 2009 | 53 | 1.884,00 | 35,55 | 2 |
| 2010 | 73 | 2.167,55 | 29,69 | 2 |
| 2011 | 51 | 1.856,60 | 36,40 | 1 |
| 2012 | 106 | 2.503,66 | 23,62 | 2 |
| 2013 | 139 | 3.613,24 | 25,99 | 2 |
| 2014 | 111 | 3.678,63 | 33,14 | 2 |
| 2015 | 127 | 4.301,06 | 33,87 | 2 |
| 2016 | 120 | 4.110,31 | 34,25 | 2 |
| 2017 | 136 | 4.489,79 | 33,01 | 3 |
| 2018 | 159 | 4.520,78 | 28,43 | 4 |
| 2019 | 142 | 4.493,40 | 31,64 | 4 |
| 2020 | 142 | 5.013,86 | 35,31 | 4 |
| 2021 | 115 | 3.727,31 | 32,41 | 3 |
| 2022 | 101 | 3.236,64 | 32,05 | 3 |
| 2023 | 104 | 3.932,14 | 37,81 | 3 |
| 2024 | 102 | 2.949,15 | 28,91 | 4 |
| totale | 2.023 | 61.966,79 | 30,63 | 45 |