| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 162 | 2.387,18 | 14,74 | 1 |
| 2008 | 43 | 1.126,90 | 26,21 | 1 |
| 2009 | 288 | 7.449,39 | 25,87 | 4 |
| 2010 | 447 | 8.108,33 | 18,14 | 5 |
| 2011 | 200 | 4.731,65 | 23,66 | 3 |
| 2012 | 958 | 17.239,80 | 18,00 | 5 |
| 2013 | 666 | 14.152,62 | 21,25 | 7 |
| 2014 | 1.179 | 24.665,54 | 20,92 | 10 |
| 2015 | 1.238 | 27.328,64 | 22,07 | 9 |
| 2016 | 1.111 | 26.967,75 | 24,27 | 11 |
| 2017 | 767 | 20.981,38 | 27,36 | 13 |
| 2018 | 541 | 14.220,70 | 26,29 | 12 |
| 2019 | 1.217 | 27.993,36 | 23,00 | 12 |
| 2020 | 1.285 | 29.272,03 | 22,78 | 14 |
| 2021 | 1.318 | 26.619,10 | 20,20 | 14 |
| 2022 | 1.131 | 24.527,11 | 21,69 | 13 |
| 2023 | 1.250 | 27.702,48 | 22,16 | 14 |
| 2024 | 1.765 | 33.621,23 | 19,05 | 14 |
| totale | 15.566 | 339.095,19 | 21,78 | 162 |