| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 433 | 9.669,92 | 22,33 | 2 |
| 2007 | 537 | 11.271,70 | 20,99 | 1 |
| 2008 | 451 | 10.043,43 | 22,27 | 1 |
| 2009 | 3 | 14,07 | 4,69 | 1 |
| 2010 | 177 | 4.043,23 | 22,84 | 2 |
| 2011 | 216 | 4.585,35 | 21,23 | 1 |
| 2012 | 367 | 7.374,83 | 20,09 | 2 |
| 2013 | 327 | 6.198,82 | 18,96 | 3 |
| 2014 | 300 | 7.375,85 | 24,59 | 3 |
| 2015 | 323 | 7.817,46 | 24,20 | 4 |
| 2016 | 255 | 6.898,24 | 27,05 | 3 |
| 2017 | 254 | 6.842,29 | 26,94 | 3 |
| 2018 | 237 | 6.550,69 | 27,64 | 3 |
| 2019 | 195 | 5.711,82 | 29,29 | 3 |
| 2020 | 174 | 5.441,73 | 31,27 | 4 |
| 2021 | 138 | 2.690,66 | 19,50 | 4 |
| 2022 | 137 | 2.999,89 | 21,90 | 4 |
| 2023 | 125 | 2.894,71 | 23,16 | 4 |
| 2024 | 121 | 2.933,31 | 24,24 | 4 |
| totale | 4.770 | 111.358,00 | 23,35 | 52 |