| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 504 | 12.869,79 | 25,54 | 4 |
| 2007 | 233 | 11.443,80 | 49,12 | 2 |
| 2008 | 318 | 12.027,41 | 37,82 | 2 |
| 2009 | 257 | 9.114,25 | 35,46 | 4 |
| 2010 | 122 | 3.719,54 | 30,49 | 3 |
| 2011 | 121 | 3.432,81 | 28,37 | 2 |
| 2012 | 130 | 3.415,40 | 26,27 | 3 |
| 2013 | 133 | 3.728,24 | 28,03 | 3 |
| 2014 | 112 | 3.705,09 | 33,08 | 3 |
| 2015 | 110 | 3.765,70 | 34,23 | 3 |
| 2016 | 132 | 4.969,05 | 37,64 | 4 |
| 2017 | 155 | 5.731,78 | 36,98 | 4 |
| 2018 | 141 | 5.734,89 | 40,67 | 4 |
| 2019 | 155 | 6.007,51 | 38,76 | 4 |
| 2020 | 124 | 5.701,16 | 45,98 | 4 |
| 2021 | 119 | 4.607,50 | 38,72 | 4 |
| 2022 | 79 | 2.869,36 | 36,32 | 3 |
| 2023 | 75 | 2.617,44 | 34,90 | 3 |
| 2024 | 69 | 2.631,47 | 38,14 | 3 |
| totale | 3.089 | 108.092,19 | 34,99 | 62 |