| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 4.118 | 121.876,23 | 29,60 | 9 |
| 2007 | 2.335 | 89.810,95 | 38,46 | 9 |
| 2008 | 2.604 | 101.986,21 | 39,17 | 10 |
| 2009 | 2.514 | 98.124,34 | 39,03 | 12 |
| 2010 | 2.500 | 84.409,06 | 33,76 | 14 |
| 2011 | 2.315 | 83.811,95 | 36,20 | 11 |
| 2012 | 2.612 | 91.750,88 | 35,13 | 16 |
| 2013 | 3.035 | 98.748,98 | 32,54 | 19 |
| 2014 | 3.248 | 125.581,42 | 38,66 | 24 |
| 2015 | 3.381 | 132.443,99 | 39,17 | 20 |
| 2016 | 3.521 | 140.665,66 | 39,95 | 22 |
| 2017 | 3.559 | 145.580,86 | 40,90 | 22 |
| 2018 | 3.198 | 135.211,64 | 42,28 | 21 |
| 2019 | 2.995 | 129.736,38 | 43,32 | 17 |
| 2020 | 3.204 | 139.334,51 | 43,49 | 20 |
| 2021 | 3.159 | 133.734,10 | 42,33 | 22 |
| 2022 | 2.741 | 112.851,23 | 41,17 | 16 |
| 2023 | 2.720 | 115.995,25 | 42,65 | 19 |
| 2024 | 2.667 | 106.474,78 | 39,92 | 24 |
| totale | 56.426 | 2.188.128,42 | 38,78 | 327 |