| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 244 | 4.707,40 | 19,29 | 2 |
| 2007 | 38 | 734,02 | 19,32 | 1 |
| 2009 | 27 | 661,25 | 24,49 | 1 |
| 2010 | 24 | 382,59 | 15,94 | 1 |
| 2011 | 31 | 576,83 | 18,61 | 1 |
| 2012 | 47 | 1.223,03 | 26,02 | 2 |
| 2013 | 101 | 1.917,01 | 18,98 | 2 |
| 2014 | 223 | 4.921,23 | 22,07 | 4 |
| 2015 | 237 | 5.792,98 | 24,44 | 4 |
| 2016 | 256 | 6.978,72 | 27,26 | 4 |
| 2017 | 250 | 6.670,28 | 26,68 | 4 |
| 2018 | 243 | 6.225,80 | 25,62 | 4 |
| 2019 | 222 | 6.022,71 | 27,13 | 4 |
| 2020 | 244 | 7.153,21 | 29,32 | 5 |
| 2021 | 273 | 8.697,88 | 31,86 | 5 |
| 2022 | 269 | 8.787,18 | 32,67 | 5 |
| 2023 | 164 | 4.727,08 | 28,82 | 4 |
| 2024 | 187 | 5.172,31 | 27,66 | 4 |
| totale | 3.080 | 81.351,51 | 26,41 | 57 |