| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 548 | 16.897,12 | 30,83 | 3 |
| 2007 | 181 | 8.083,49 | 44,66 | 3 |
| 2008 | 215 | 7.921,23 | 36,84 | 4 |
| 2009 | 295 | 10.899,45 | 36,95 | 3 |
| 2010 | 363 | 9.716,03 | 26,77 | 4 |
| 2011 | 125 | 13.312,17 | 106,50 | 4 |
| 2012 | 616 | 32.223,23 | 52,31 | 4 |
| 2013 | 552 | 36.212,49 | 65,60 | 4 |
| 2014 | 876 | 51.378,26 | 58,65 | 7 |
| 2015 | 817 | 51.869,54 | 63,49 | 7 |
| 2016 | 856 | 51.557,99 | 60,23 | 7 |
| 2017 | 750 | 42.204,79 | 56,27 | 8 |
| 2018 | 764 | 40.088,18 | 52,47 | 8 |
| 2019 | 754 | 42.607,48 | 56,51 | 8 |
| 2020 | 739 | 39.867,43 | 53,95 | 8 |
| 2021 | 618 | 33.339,34 | 53,95 | 8 |
| 2022 | 560 | 22.234,78 | 39,70 | 6 |
| 2023 | 513 | 21.594,33 | 42,09 | 10 |
| 2024 | 500 | 19.683,44 | 39,37 | 13 |
| totale | 10.642 | 551.690,77 | 51,84 | 119 |