| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 329 | 6.871,70 | 20,89 | 3 |
| 2007 | 113 | 2.737,11 | 24,22 | 3 |
| 2008 | 132 | 4.398,60 | 33,32 | 2 |
| 2009 | 140 | 4.575,68 | 32,68 | 3 |
| 2010 | 162 | 4.927,63 | 30,42 | 3 |
| 2011 | 117 | 3.556,24 | 30,40 | 2 |
| 2012 | 343 | 8.439,01 | 24,60 | 4 |
| 2013 | 192 | 4.853,26 | 25,28 | 3 |
| 2014 | 266 | 7.549,55 | 28,38 | 6 |
| 2015 | 208 | 6.617,15 | 31,81 | 5 |
| 2016 | 202 | 7.395,42 | 36,61 | 5 |
| 2017 | 179 | 6.676,56 | 37,30 | 5 |
| 2018 | 171 | 6.780,94 | 39,65 | 6 |
| 2019 | 186 | 8.034,63 | 43,20 | 6 |
| 2020 | 172 | 7.638,30 | 44,41 | 6 |
| 2021 | 166 | 7.514,56 | 45,27 | 5 |
| 2022 | 178 | 7.390,82 | 41,52 | 4 |
| 2023 | 204 | 8.540,70 | 41,87 | 7 |
| 2024 | 216 | 8.327,47 | 38,55 | 7 |
| totale | 3.676 | 122.825,33 | 33,41 | 85 |