| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 3.420 | 98.002,73 | 28,66 | 11 |
| 2007 | 2.655 | 88.529,18 | 33,34 | 12 |
| 2008 | 2.951 | 98.896,94 | 33,51 | 11 |
| 2009 | 3.159 | 105.156,34 | 33,29 | 13 |
| 2010 | 3.304 | 92.164,17 | 27,89 | 11 |
| 2011 | 3.398 | 101.702,72 | 29,93 | 12 |
| 2012 | 3.678 | 105.442,50 | 28,67 | 14 |
| 2013 | 3.689 | 98.044,87 | 26,58 | 15 |
| 2014 | 3.512 | 117.919,47 | 33,58 | 14 |
| 2015 | 3.900 | 136.224,63 | 34,93 | 16 |
| 2016 | 3.996 | 145.506,12 | 36,41 | 20 |
| 2017 | 3.593 | 122.919,24 | 34,21 | 18 |
| 2018 | 3.764 | 134.377,88 | 35,70 | 22 |
| 2019 | 3.653 | 129.315,64 | 35,40 | 21 |
| 2020 | 3.567 | 133.101,51 | 37,31 | 21 |
| 2021 | 3.428 | 124.504,31 | 36,32 | 23 |
| 2022 | 3.352 | 127.129,92 | 37,93 | 25 |
| 2023 | 3.385 | 123.602,88 | 36,51 | 28 |
| 2024 | 3.247 | 116.781,55 | 35,97 | 29 |
| totale | 65.651 | 2.199.322,60 | 33,50 | 336 |