| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 162 | 5.896,54 | 36,40 | 2 |
| 2007 | 148 | 6.356,28 | 42,95 | 1 |
| 2008 | 116 | 3.507,71 | 30,24 | 1 |
| 2009 | 120 | 3.498,07 | 29,15 | 3 |
| 2010 | 113 | 2.900,58 | 25,67 | 3 |
| 2011 | 115 | 3.112,70 | 27,07 | 2 |
| 2012 | 140 | 3.433,16 | 24,52 | 3 |
| 2013 | 169 | 3.400,64 | 20,12 | 4 |
| 2014 | 140 | 3.766,70 | 26,91 | 3 |
| 2015 | 188 | 4.717,23 | 25,09 | 3 |
| 2016 | 204 | 5.080,56 | 24,90 | 3 |
| 2017 | 174 | 4.541,31 | 26,10 | 3 |
| 2018 | 150 | 3.882,40 | 25,88 | 3 |
| 2019 | 152 | 4.007,41 | 26,36 | 3 |
| 2020 | 113 | 3.697,76 | 32,72 | 3 |
| 2021 | 110 | 3.167,00 | 28,79 | 3 |
| 2022 | 139 | 3.716,86 | 26,74 | 4 |
| 2023 | 141 | 3.885,98 | 27,56 | 5 |
| 2024 | 191 | 4.859,63 | 25,44 | 6 |
| totale | 2.785 | 77.428,52 | 27,80 | 58 |