| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 230 | 9.772,39 | 42,49 | 2 |
| 2007 | 24 | 6.637,47 | 276,56 | 1 |
| 2008 | 24 | 8.530,16 | 355,42 | 1 |
| 2009 | 37 | 6.446,26 | 174,22 | 2 |
| 2010 | 60 | 5.523,94 | 92,07 | 2 |
| 2011 | 67 | 2.497,45 | 37,28 | 1 |
| 2012 | 99 | 3.570,59 | 36,07 | 2 |
| 2013 | 116 | 3.703,61 | 31,93 | 2 |
| 2014 | 99 | 3.456,63 | 34,92 | 2 |
| 2015 | 96 | 3.208,56 | 33,42 | 2 |
| 2016 | 104 | 3.290,79 | 31,64 | 2 |
| 2017 | 110 | 3.685,99 | 33,51 | 2 |
| 2018 | 100 | 3.565,38 | 35,65 | 2 |
| 2019 | 93 | 3.349,97 | 36,02 | 2 |
| 2020 | 93 | 3.424,72 | 36,82 | 2 |
| 2021 | 91 | 3.032,49 | 33,32 | 2 |
| 2022 | 85 | 3.186,26 | 37,49 | 2 |
| 2023 | 80 | 3.235,78 | 40,45 | 3 |
| 2024 | 83 | 2.973,67 | 35,83 | 3 |
| totale | 1.691 | 83.092,11 | 49,14 | 37 |