| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 1.563 | 50.212,43 | 32,13 | 4 |
| 2007 | 2.048 | 71.512,10 | 34,92 | 2 |
| 2008 | 2.458 | 90.306,20 | 36,74 | 3 |
| 2009 | 2.995 | 107.451,87 | 35,88 | 3 |
| 2010 | 4.776 | 132.806,32 | 27,81 | 2 |
| 2011 | 5.047 | 138.638,32 | 27,47 | 2 |
| 2012 | 79 | 2.696,00 | 34,13 | 2 |
| 2013 | 71 | 2.208,72 | 31,11 | 2 |
| 2014 | 111 | 4.709,49 | 42,43 | 3 |
| 2015 | 142 | 5.925,23 | 41,73 | 4 |
| 2016 | 135 | 6.208,04 | 45,99 | 3 |
| 2017 | 67 | 3.249,90 | 48,51 | 2 |
| 2018 | 124 | 5.999,27 | 48,38 | 3 |
| 2019 | 106 | 4.162,95 | 39,27 | 3 |
| 2020 | 103 | 3.944,38 | 38,29 | 3 |
| 2021 | 138 | 5.154,63 | 37,35 | 4 |
| 2022 | 117 | 3.421,00 | 29,24 | 3 |
| 2023 | 110 | 4.658,05 | 42,35 | 5 |
| 2024 | 69 | 2.941,56 | 42,63 | 4 |
| totale | 20.259 | 646.206,46 | 31,90 | 57 |