| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 436 | 9.556,99 | 21,92 | 2 |
| 2007 | 135 | 3.774,03 | 27,96 | 1 |
| 2008 | 213 | 4.994,02 | 23,45 | 1 |
| 2009 | 208 | 5.212,53 | 25,06 | 2 |
| 2010 | 143 | 3.198,58 | 22,37 | 2 |
| 2011 | 153 | 3.050,13 | 19,94 | 2 |
| 2012 | 352 | 6.059,00 | 17,21 | 2 |
| 2013 | 320 | 5.301,25 | 16,57 | 2 |
| 2014 | 310 | 6.319,72 | 20,39 | 3 |
| 2015 | 84 | 1.254,87 | 14,94 | 2 |
| 2016 | 224 | 4.173,01 | 18,63 | 4 |
| 2017 | 232 | 4.527,78 | 19,52 | 4 |
| 2018 | 214 | 3.964,45 | 18,53 | 5 |
| 2019 | 199 | 3.567,22 | 17,93 | 6 |
| 2020 | 219 | 4.067,22 | 18,57 | 7 |
| 2021 | 229 | 4.898,89 | 21,39 | 8 |
| 2022 | 314 | 6.906,57 | 22,00 | 8 |
| 2023 | 345 | 7.857,38 | 22,78 | 8 |
| 2024 | 634 | 14.056,93 | 22,17 | 10 |
| totale | 4.964 | 102.740,57 | 20,70 | 79 |