| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 266 | 3.661,22 | 13,76 | 4 |
| 2007 | 39 | 844,44 | 21,65 | 2 |
| 2008 | 82 | 2.037,81 | 24,85 | 4 |
| 2009 | 189 | 6.762,90 | 35,78 | 6 |
| 2010 | 358 | 8.328,32 | 23,26 | 10 |
| 2011 | 158 | 3.088,28 | 19,55 | 5 |
| 2012 | 1.249 | 44.030,27 | 35,25 | 10 |
| 2013 | 7.228 | 253.209,45 | 35,03 | 9 |
| 2014 | 10.310 | 454.515,16 | 44,08 | 9 |
| 2015 | 12.673 | 554.431,80 | 43,75 | 10 |
| 2016 | 16.082 | 667.918,03 | 41,53 | 11 |
| 2017 | 17.334 | 746.069,26 | 43,04 | 12 |
| 2018 | 19.371 | 826.411,33 | 42,66 | 11 |
| 2019 | 23.384 | 975.531,30 | 41,72 | 12 |
| 2020 | 24.539 | 1.161.744,86 | 47,34 | 14 |
| 2021 | 25.287 | 1.154.506,46 | 45,66 | 15 |
| 2022 | 27.435 | 1.306.918,03 | 47,64 | 13 |
| 2023 | 32.095 | 1.431.505,45 | 44,60 | 15 |
| 2024 | 34.028 | 1.476.017,85 | 43,38 | 15 |
| totale | 252.107 | 11.077.532,22 | 43,94 | 187 |