| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 162 | 2.981,35 | 18,40 | 2 |
| 2008 | 29 | 713,41 | 24,60 | 1 |
| 2009 | 97 | 2.463,08 | 25,39 | 2 |
| 2010 | 121 | 3.449,42 | 28,51 | 2 |
| 2011 | 103 | 2.782,65 | 27,02 | 2 |
| 2012 | 128 | 3.370,68 | 26,33 | 2 |
| 2013 | 138 | 3.407,27 | 24,69 | 3 |
| 2014 | 148 | 4.804,08 | 32,46 | 3 |
| 2015 | 115 | 4.182,50 | 36,37 | 3 |
| 2016 | 104 | 3.450,26 | 33,18 | 3 |
| 2017 | 117 | 3.435,12 | 29,36 | 3 |
| 2018 | 98 | 2.802,58 | 28,60 | 3 |
| 2019 | 68 | 2.207,42 | 32,46 | 2 |
| 2020 | 65 | 2.134,43 | 32,84 | 2 |
| 2021 | 66 | 1.909,76 | 28,94 | 2 |
| 2022 | 23 | 882,15 | 38,35 | 1 |
| 2023 | 28 | 980,71 | 35,03 | 1 |
| 2024 | 120 | 4.349,52 | 36,25 | 2 |
| totale | 1.730 | 50.306,39 | 29,08 | 39 |