| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 1.890 | 44.676,02 | 23,64 | 16 |
| 2007 | 1.753 | 43.717,92 | 24,94 | 19 |
| 2008 | 2.097 | 58.765,03 | 28,02 | 32 |
| 2009 | 2.071 | 54.892,01 | 26,51 | 29 |
| 2010 | 2.020 | 47.969,38 | 23,75 | 36 |
| 2011 | 2.246 | 52.846,47 | 23,53 | 23 |
| 2012 | 2.501 | 56.578,39 | 22,62 | 32 |
| 2013 | 2.483 | 53.911,88 | 21,71 | 29 |
| 2014 | 2.720 | 72.778,03 | 26,76 | 34 |
| 2015 | 2.148 | 57.616,09 | 26,82 | 35 |
| 2016 | 2.387 | 69.427,65 | 29,09 | 44 |
| 2017 | 2.375 | 71.117,53 | 29,94 | 40 |
| 2018 | 2.391 | 71.641,98 | 29,96 | 45 |
| 2019 | 2.534 | 74.330,70 | 29,33 | 46 |
| 2020 | 2.867 | 85.779,65 | 29,92 | 47 |
| 2021 | 3.673 | 111.275,06 | 30,30 | 51 |
| 2022 | 3.714 | 106.584,09 | 28,70 | 52 |
| 2023 | 4.057 | 119.563,80 | 29,47 | 56 |
| 2024 | 4.316 | 126.905,84 | 29,40 | 64 |
| totale | 50.243 | 1.380.377,52 | 27,47 | 730 |