| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 62.568 | 1.782.365,86 | 28,49 | 27 |
| 2007 | 30.494 | 963.494,92 | 31,60 | 29 |
| 2008 | 23.293 | 755.847,84 | 32,45 | 31 |
| 2009 | 20.204 | 646.533,70 | 32,00 | 37 |
| 2010 | 19.547 | 519.380,44 | 26,57 | 36 |
| 2011 | 15.556 | 430.024,73 | 27,64 | 35 |
| 2012 | 36.788 | 1.007.586,38 | 27,39 | 44 |
| 2013 | 56.992 | 1.398.571,00 | 24,54 | 43 |
| 2014 | 62.714 | 1.935.101,14 | 30,86 | 46 |
| 2015 | 71.183 | 2.202.256,42 | 30,94 | 48 |
| 2016 | 71.852 | 2.234.073,53 | 31,09 | 41 |
| 2017 | 71.041 | 2.221.244,66 | 31,27 | 42 |
| 2018 | 71.130 | 2.239.366,02 | 31,48 | 45 |
| 2019 | 72.159 | 2.262.733,66 | 31,36 | 44 |
| 2020 | 68.138 | 2.245.964,72 | 32,96 | 43 |
| 2021 | 64.299 | 2.133.153,70 | 33,18 | 43 |
| 2022 | 62.347 | 2.076.185,69 | 33,30 | 39 |
| 2023 | 60.713 | 1.989.412,63 | 32,77 | 40 |
| 2024 | 58.687 | 1.881.977,24 | 32,07 | 42 |
| totale | 999.705 | 30.925.274,28 | 30,93 | 755 |