| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 266 | 5.654,54 | 21,26 | 3 |
| 2007 | 123 | 3.174,42 | 25,81 | 2 |
| 2008 | 134 | 3.637,36 | 27,14 | 2 |
| 2009 | 145 | 3.665,04 | 25,28 | 3 |
| 2010 | 175 | 3.347,76 | 19,13 | 3 |
| 2011 | 129 | 2.543,87 | 19,72 | 2 |
| 2012 | 140 | 2.898,88 | 20,71 | 3 |
| 2013 | 163 | 2.943,87 | 18,06 | 3 |
| 2014 | 165 | 3.409,04 | 20,66 | 3 |
| 2015 | 168 | 3.260,68 | 19,41 | 3 |
| 2016 | 164 | 3.419,20 | 20,85 | 3 |
| 2017 | 157 | 3.802,44 | 24,22 | 4 |
| 2018 | 167 | 3.928,92 | 23,53 | 4 |
| 2019 | 192 | 4.114,69 | 21,43 | 4 |
| 2020 | 185 | 4.413,31 | 23,86 | 4 |
| 2021 | 191 | 4.528,54 | 23,71 | 4 |
| 2022 | 178 | 4.260,61 | 23,94 | 4 |
| 2023 | 174 | 5.116,75 | 29,41 | 4 |
| 2024 | 184 | 4.322,85 | 23,49 | 4 |
| totale | 3.200 | 72.442,77 | 22,64 | 62 |