| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 130 | 3.634,52 | 27,96 | 3 |
| 2007 | 128 | 3.508,08 | 27,41 | 4 |
| 2008 | 109 | 4.347,82 | 39,89 | 4 |
| 2009 | 148 | 5.277,03 | 35,66 | 6 |
| 2010 | 139 | 5.166,00 | 37,17 | 5 |
| 2011 | 92 | 2.813,57 | 30,58 | 4 |
| 2012 | 117 | 4.276,19 | 36,55 | 5 |
| 2013 | 134 | 3.997,29 | 29,83 | 5 |
| 2014 | 131 | 4.461,99 | 34,06 | 5 |
| 2015 | 102 | 3.197,68 | 31,35 | 4 |
| 2016 | 143 | 5.589,66 | 39,09 | 5 |
| 2017 | 111 | 4.563,97 | 41,12 | 4 |
| 2018 | 145 | 6.281,03 | 43,32 | 5 |
| 2019 | 156 | 7.384,57 | 47,34 | 5 |
| 2020 | 153 | 6.766,35 | 44,22 | 6 |
| 2021 | 168 | 7.534,48 | 44,85 | 7 |
| 2022 | 166 | 7.250,67 | 43,68 | 7 |
| 2023 | 167 | 8.573,39 | 51,34 | 6 |
| 2024 | 186 | 8.092,90 | 43,51 | 7 |
| totale | 2.625 | 102.717,19 | 39,13 | 97 |