| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 37 | 519,50 | 14,04 | 1 |
| 2007 | 87 | 3.771,31 | 43,35 | 1 |
| 2008 | 147 | 6.520,21 | 44,36 | 1 |
| 2009 | 129 | 6.234,09 | 48,33 | 2 |
| 2010 | 217 | 6.495,11 | 29,93 | 2 |
| 2011 | 173 | 6.084,02 | 35,17 | 1 |
| 2012 | 194 | 7.057,06 | 36,38 | 2 |
| 2013 | 199 | 6.728,79 | 33,81 | 2 |
| 2014 | 204 | 8.676,43 | 42,53 | 3 |
| 2015 | 174 | 8.154,30 | 46,86 | 2 |
| 2016 | 180 | 8.019,30 | 44,55 | 2 |
| 2017 | 164 | 7.441,17 | 45,37 | 2 |
| 2018 | 153 | 7.347,67 | 48,02 | 2 |
| 2019 | 142 | 6.808,87 | 47,95 | 2 |
| 2020 | 117 | 5.104,79 | 43,63 | 2 |
| 2021 | 101 | 4.267,41 | 42,25 | 3 |
| 2022 | 96 | 3.991,05 | 41,57 | 3 |
| 2023 | 129 | 4.342,49 | 33,66 | 3 |
| 2024 | 111 | 2.628,34 | 23,68 | 3 |
| totale | 2.754 | 110.191,91 | 40,01 | 39 |