| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 7.077 | 334.220,10 | 47,23 | 14 |
| 2007 | 5.627 | 304.064,98 | 54,04 | 14 |
| 2008 | 10.432 | 574.472,67 | 55,07 | 16 |
| 2009 | 13.629 | 677.450,10 | 49,71 | 18 |
| 2010 | 15.752 | 653.015,08 | 41,46 | 19 |
| 2011 | 2.422 | 64.851,72 | 26,78 | 14 |
| 2012 | 25.068 | 1.002.976,55 | 40,01 | 20 |
| 2013 | 30.985 | 1.148.900,33 | 37,08 | 18 |
| 2014 | 30.424 | 1.505.804,71 | 49,49 | 20 |
| 2015 | 35.086 | 1.829.558,24 | 52,14 | 19 |
| 2016 | 38.312 | 1.993.202,91 | 52,03 | 23 |
| 2017 | 40.968 | 2.140.024,46 | 52,24 | 23 |
| 2018 | 43.473 | 2.320.793,49 | 53,38 | 25 |
| 2019 | 46.774 | 2.444.005,18 | 52,25 | 23 |
| 2020 | 43.329 | 2.505.674,62 | 57,83 | 25 |
| 2021 | 45.968 | 2.622.983,81 | 57,06 | 28 |
| 2022 | 39.938 | 2.335.093,67 | 58,47 | 23 |
| 2023 | 44.878 | 2.545.434,11 | 56,72 | 28 |
| 2024 | 46.425 | 2.460.379,73 | 53,00 | 30 |
| totale | 566.567 | 29.462.906,46 | 52,00 | 400 |