| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 226 | 4.319,26 | 19,11 | 3 |
| 2007 | 788 | 18.518,04 | 23,50 | 3 |
| 2008 | 1.038 | 25.739,53 | 24,80 | 3 |
| 2009 | 1.031 | 23.744,19 | 23,03 | 4 |
| 2010 | 1.028 | 21.552,27 | 20,97 | 5 |
| 2011 | 1.197 | 23.263,94 | 19,44 | 3 |
| 2012 | 153 | 3.495,10 | 22,84 | 3 |
| 2013 | 130 | 3.018,84 | 23,22 | 2 |
| 2014 | 151 | 4.253,36 | 28,17 | 2 |
| 2015 | 315 | 6.352,29 | 20,17 | 3 |
| 2016 | 333 | 6.736,31 | 20,23 | 2 |
| 2017 | 369 | 7.755,54 | 21,02 | 2 |
| 2018 | 363 | 7.955,69 | 21,92 | 3 |
| 2019 | 451 | 9.942,66 | 22,05 | 3 |
| 2020 | 857 | 22.125,77 | 25,82 | 6 |
| 2021 | 862 | 20.751,78 | 24,07 | 6 |
| 2022 | 859 | 21.209,80 | 24,69 | 6 |
| 2023 | 1.015 | 22.367,76 | 22,04 | 8 |
| 2024 | 925 | 22.012,91 | 23,80 | 10 |
| totale | 12.091 | 275.115,04 | 22,75 | 77 |