| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 115 | 2.032,11 | 17,67 | 1 |
| 2007 | 15 | 238,18 | 15,88 | 1 |
| 2008 | 84 | 2.047,94 | 24,38 | 3 |
| 2009 | 146 | 2.967,71 | 20,33 | 3 |
| 2010 | 152 | 2.287,94 | 15,05 | 3 |
| 2011 | 15 | 182,53 | 12,17 | 1 |
| 2012 | 168 | 2.545,71 | 15,15 | 4 |
| 2013 | 169 | 2.449,17 | 14,49 | 3 |
| 2014 | 157 | 2.867,06 | 18,26 | 2 |
| 2015 | 149 | 2.615,86 | 17,56 | 3 |
| 2016 | 129 | 2.780,39 | 21,55 | 3 |
| 2017 | 137 | 2.876,10 | 20,99 | 3 |
| 2018 | 152 | 3.125,60 | 20,56 | 3 |
| 2019 | 150 | 3.707,76 | 24,72 | 3 |
| 2020 | 137 | 3.247,69 | 23,71 | 3 |
| 2021 | 121 | 2.281,91 | 18,86 | 3 |
| 2022 | 125 | 2.520,18 | 20,16 | 3 |
| 2023 | 122 | 2.424,94 | 19,88 | 3 |
| 2024 | 105 | 2.007,17 | 19,12 | 3 |
| totale | 2.348 | 45.205,95 | 19,25 | 51 |