| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 205 | 3.779,58 | 18,44 | 1 |
| 2007 | 125 | 2.465,81 | 19,73 | 1 |
| 2008 | 873 | 14.554,26 | 16,67 | 3 |
| 2009 | 697 | 17.691,27 | 25,38 | 8 |
| 2010 | 652 | 14.559,17 | 22,33 | 8 |
| 2011 | 801 | 16.608,46 | 20,73 | 7 |
| 2012 | 1.183 | 22.121,35 | 18,70 | 11 |
| 2013 | 1.328 | 21.020,21 | 15,83 | 8 |
| 2014 | 1.918 | 42.095,81 | 21,95 | 13 |
| 2015 | 1.760 | 39.416,71 | 22,40 | 15 |
| 2016 | 1.672 | 38.659,94 | 23,12 | 15 |
| 2017 | 1.451 | 36.288,72 | 25,01 | 16 |
| 2018 | 1.865 | 47.120,09 | 25,27 | 19 |
| 2019 | 1.962 | 46.253,57 | 23,57 | 20 |
| 2020 | 1.781 | 46.716,05 | 26,23 | 21 |
| 2021 | 1.830 | 47.912,99 | 26,18 | 25 |
| 2022 | 1.811 | 46.833,17 | 25,86 | 26 |
| 2023 | 1.953 | 49.192,53 | 25,19 | 30 |
| 2024 | 2.079 | 52.750,35 | 25,37 | 34 |
| totale | 25.946 | 606.040,04 | 23,36 | 281 |