| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 3.173 | 95.625,43 | 30,14 | 18 |
| 2007 | 2.633 | 92.998,49 | 35,32 | 18 |
| 2008 | 2.990 | 102.983,21 | 34,44 | 19 |
| 2009 | 3.209 | 102.726,51 | 32,01 | 25 |
| 2010 | 3.239 | 90.893,94 | 28,06 | 23 |
| 2011 | 3.324 | 90.379,81 | 27,19 | 22 |
| 2012 | 3.780 | 104.342,68 | 27,60 | 26 |
| 2013 | 3.885 | 100.587,64 | 25,89 | 27 |
| 2014 | 3.825 | 125.310,81 | 32,76 | 27 |
| 2015 | 4.161 | 140.023,08 | 33,65 | 28 |
| 2016 | 4.122 | 136.083,89 | 33,01 | 27 |
| 2017 | 3.922 | 131.712,87 | 33,58 | 28 |
| 2018 | 3.934 | 128.418,01 | 32,64 | 27 |
| 2019 | 4.071 | 133.681,07 | 32,84 | 28 |
| 2020 | 3.787 | 140.809,45 | 37,18 | 29 |
| 2021 | 3.720 | 169.212,52 | 45,49 | 32 |
| 2022 | 3.707 | 137.109,92 | 36,99 | 33 |
| 2023 | 3.574 | 127.069,31 | 35,55 | 31 |
| 2024 | 3.808 | 123.014,69 | 32,30 | 34 |
| totale | 68.864 | 2.272.983,33 | 33,01 | 502 |