| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 225 | 2.960,76 | 13,16 | 1 |
| 2007 | 142 | 2.408,50 | 16,96 | 1 |
| 2008 | 157 | 2.563,73 | 16,33 | 1 |
| 2009 | 162 | 2.450,63 | 15,13 | 2 |
| 2010 | 217 | 3.282,92 | 15,13 | 2 |
| 2011 | 157 | 2.133,84 | 13,59 | 1 |
| 2012 | 170 | 2.445,72 | 14,39 | 2 |
| 2013 | 179 | 2.393,45 | 13,37 | 2 |
| 2014 | 193 | 3.374,98 | 17,49 | 2 |
| 2015 | 204 | 3.435,87 | 16,84 | 2 |
| 2016 | 204 | 3.507,88 | 17,20 | 2 |
| 2017 | 181 | 3.056,38 | 16,89 | 2 |
| 2018 | 176 | 3.035,49 | 17,25 | 2 |
| 2019 | 188 | 3.519,48 | 18,72 | 2 |
| 2020 | 204 | 4.116,76 | 20,18 | 2 |
| 2021 | 191 | 4.056,69 | 21,24 | 2 |
| 2022 | 177 | 3.955,73 | 22,35 | 2 |
| 2023 | 170 | 3.630,73 | 21,36 | 2 |
| 2024 | 178 | 3.717,13 | 20,88 | 3 |
| totale | 3.475 | 60.046,67 | 17,28 | 35 |