| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 226 | 3.767,66 | 16,67 | 1 |
| 2007 | 202 | 3.139,10 | 15,54 | 1 |
| 2008 | 79 | 1.345,29 | 17,03 | 1 |
| 2009 | 90 | 1.991,60 | 22,13 | 2 |
| 2010 | 139 | 2.105,89 | 15,15 | 2 |
| 2011 | 109 | 1.989,84 | 18,26 | 1 |
| 2012 | 144 | 2.510,71 | 17,44 | 3 |
| 2013 | 175 | 2.026,62 | 11,58 | 2 |
| 2014 | 99 | 2.130,81 | 21,52 | 3 |
| 2015 | 115 | 1.727,73 | 15,02 | 3 |
| 2016 | 110 | 2.024,53 | 18,40 | 3 |
| 2017 | 107 | 1.731,31 | 16,18 | 3 |
| 2018 | 109 | 1.848,45 | 16,96 | 3 |
| 2019 | 113 | 2.202,82 | 19,49 | 3 |
| 2020 | 109 | 1.973,35 | 18,10 | 3 |
| 2021 | 177 | 3.519,17 | 19,88 | 4 |
| 2022 | 106 | 2.742,81 | 25,88 | 4 |
| 2023 | 103 | 2.170,89 | 21,08 | 4 |
| 2024 | 129 | 2.293,80 | 17,78 | 4 |
| totale | 2.441 | 43.242,38 | 17,72 | 50 |