| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 136 | 2.535,68 | 18,64 | 2 |
| 2007 | 850 | 17.794,66 | 20,93 | 3 |
| 2008 | 1.241 | 24.663,88 | 19,87 | 5 |
| 2009 | 911 | 17.100,54 | 18,77 | 5 |
| 2010 | 928 | 16.663,57 | 17,96 | 7 |
| 2011 | 859 | 13.921,30 | 16,21 | 6 |
| 2012 | 1.532 | 26.788,83 | 17,49 | 8 |
| 2013 | 1.165 | 19.181,07 | 16,46 | 7 |
| 2014 | 2.226 | 43.456,52 | 19,52 | 11 |
| 2015 | 3.172 | 66.539,47 | 20,98 | 9 |
| 2016 | 3.504 | 70.785,48 | 20,20 | 9 |
| 2017 | 4.133 | 80.771,63 | 19,54 | 9 |
| 2018 | 3.993 | 79.705,62 | 19,96 | 9 |
| 2019 | 4.192 | 79.653,01 | 19,00 | 9 |
| 2020 | 4.264 | 85.780,67 | 20,12 | 12 |
| 2021 | 3.688 | 76.732,76 | 20,81 | 13 |
| 2022 | 3.058 | 65.236,55 | 21,33 | 13 |
| 2023 | 2.517 | 53.207,72 | 21,14 | 15 |
| 2024 | 2.383 | 47.087,92 | 19,76 | 17 |
| totale | 44.752 | 887.606,88 | 19,83 | 169 |