| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 148 | 2.369,36 | 16,01 | 2 |
| 2007 | 121 | 2.597,07 | 21,46 | 2 |
| 2008 | 119 | 2.737,90 | 23,01 | 2 |
| 2009 | 143 | 2.636,36 | 18,44 | 4 |
| 2010 | 183 | 3.346,44 | 18,29 | 4 |
| 2011 | 158 | 2.807,46 | 17,77 | 1 |
| 2012 | 236 | 4.649,75 | 19,70 | 3 |
| 2013 | 196 | 3.526,30 | 17,99 | 5 |
| 2014 | 179 | 3.947,49 | 22,05 | 4 |
| 2015 | 164 | 4.126,49 | 25,16 | 4 |
| 2016 | 129 | 3.103,89 | 24,06 | 4 |
| 2017 | 129 | 3.356,82 | 26,02 | 4 |
| 2018 | 140 | 3.192,76 | 22,81 | 4 |
| 2019 | 120 | 2.245,19 | 18,71 | 4 |
| 2020 | 97 | 1.890,37 | 19,49 | 4 |
| 2021 | 115 | 2.375,59 | 20,66 | 4 |
| 2022 | 99 | 2.060,63 | 20,81 | 4 |
| 2023 | 107 | 2.047,02 | 19,13 | 4 |
| 2024 | 102 | 2.326,03 | 22,80 | 4 |
| totale | 2.685 | 55.342,92 | 20,61 | 67 |