| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 1.830 | 18.792,75 | 10,27 | 1 |
| 2007 | 91 | 1.378,93 | 15,15 | 1 |
| 2008 | 238 | 3.198,68 | 13,44 | 2 |
| 2009 | 745 | 7.283,16 | 9,78 | 3 |
| 2010 | 448 | 4.402,09 | 9,83 | 5 |
| 2011 | 39 | 897,35 | 23,01 | 5 |
| 2012 | 251 | 4.630,60 | 18,45 | 5 |
| 2013 | 321 | 6.913,99 | 21,54 | 5 |
| 2014 | 370 | 9.626,93 | 26,02 | 5 |
| 2015 | 363 | 12.365,62 | 34,07 | 6 |
| 2016 | 323 | 8.847,50 | 27,39 | 7 |
| 2017 | 586 | 15.540,21 | 26,52 | 6 |
| 2018 | 933 | 19.965,35 | 21,40 | 7 |
| 2019 | 1.098 | 22.235,93 | 20,25 | 7 |
| 2020 | 1.137 | 23.843,83 | 20,97 | 8 |
| 2021 | 812 | 18.526,15 | 22,82 | 8 |
| 2022 | 956 | 29.926,61 | 31,30 | 10 |
| 2023 | 1.042 | 31.139,17 | 29,88 | 11 |
| 2024 | 1.083 | 36.141,00 | 33,37 | 13 |
| totale | 12.666 | 275.655,85 | 21,76 | 115 |