| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 1.228 | 26.334,67 | 21,45 | 3 |
| 2007 | 576 | 15.097,06 | 26,21 | 3 |
| 2008 | 651 | 17.041,63 | 26,18 | 3 |
| 2009 | 987 | 28.809,65 | 29,19 | 6 |
| 2010 | 1.148 | 24.817,87 | 21,62 | 6 |
| 2011 | 944 | 20.044,58 | 21,23 | 5 |
| 2012 | 1.129 | 25.195,08 | 22,32 | 6 |
| 2013 | 1.146 | 24.723,29 | 21,57 | 6 |
| 2014 | 833 | 24.682,83 | 29,63 | 6 |
| 2015 | 987 | 29.537,72 | 29,93 | 7 |
| 2016 | 1.035 | 35.523,07 | 34,32 | 8 |
| 2017 | 998 | 32.660,16 | 32,73 | 8 |
| 2018 | 935 | 28.924,98 | 30,94 | 8 |
| 2019 | 970 | 30.150,27 | 31,08 | 9 |
| 2020 | 1.081 | 35.106,39 | 32,48 | 9 |
| 2021 | 852 | 27.676,42 | 32,48 | 9 |
| 2022 | 780 | 26.855,92 | 34,43 | 9 |
| 2023 | 751 | 24.190,23 | 32,21 | 13 |
| 2024 | 770 | 22.292,56 | 28,95 | 14 |
| totale | 17.801 | 499.664,38 | 28,07 | 138 |