| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 353 | 6.322,43 | 17,91 | 5 |
| 2007 | 238 | 5.084,07 | 21,36 | 4 |
| 2008 | 1.389 | 32.909,49 | 23,69 | 5 |
| 2009 | 1.285 | 27.735,69 | 21,58 | 4 |
| 2010 | 1.187 | 21.482,04 | 18,10 | 4 |
| 2011 | 1.026 | 18.554,36 | 18,08 | 4 |
| 2012 | 899 | 17.015,54 | 18,93 | 7 |
| 2013 | 1.046 | 18.009,18 | 17,22 | 8 |
| 2014 | 1.202 | 25.624,57 | 21,32 | 8 |
| 2015 | 1.049 | 23.542,56 | 22,44 | 7 |
| 2016 | 812 | 19.729,77 | 24,30 | 9 |
| 2017 | 1.024 | 22.426,02 | 21,90 | 12 |
| 2018 | 953 | 22.256,00 | 23,35 | 11 |
| 2019 | 1.320 | 27.667,24 | 20,96 | 11 |
| 2020 | 1.269 | 29.330,27 | 23,11 | 11 |
| 2021 | 987 | 24.457,65 | 24,78 | 11 |
| 2022 | 985 | 25.752,34 | 26,14 | 12 |
| 2023 | 870 | 21.062,01 | 24,21 | 12 |
| 2024 | 897 | 21.761,49 | 24,26 | 13 |
| totale | 18.791 | 410.722,72 | 21,86 | 158 |