| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 165 | 6.448,68 | 39,08 | 2 |
| 2007 | 139 | 5.896,57 | 42,42 | 1 |
| 2008 | 135 | 6.108,48 | 45,25 | 1 |
| 2009 | 125 | 5.544,15 | 44,35 | 2 |
| 2010 | 122 | 7.082,13 | 58,05 | 2 |
| 2011 | 124 | 4.749,86 | 38,31 | 1 |
| 2012 | 126 | 5.053,32 | 40,11 | 2 |
| 2013 | 101 | 3.426,75 | 33,93 | 2 |
| 2014 | 110 | 4.478,41 | 40,71 | 2 |
| 2015 | 94 | 4.096,78 | 43,58 | 2 |
| 2016 | 84 | 4.118,49 | 49,03 | 2 |
| 2017 | 92 | 4.312,27 | 46,87 | 3 |
| 2018 | 102 | 4.414,15 | 43,28 | 3 |
| 2019 | 102 | 4.577,63 | 44,88 | 3 |
| 2020 | 89 | 4.741,45 | 53,27 | 3 |
| 2021 | 88 | 4.212,53 | 47,87 | 3 |
| 2022 | 107 | 2.730,61 | 25,52 | 3 |
| 2023 | 201 | 7.531,92 | 37,47 | 4 |
| 2024 | 220 | 7.714,67 | 35,07 | 4 |
| totale | 2.326 | 97.238,85 | 41,81 | 45 |