| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 28 | 603,55 | 21,56 | 2 |
| 2007 | 82 | 1.805,13 | 22,01 | 2 |
| 2008 | 70 | 1.789,10 | 25,56 | 2 |
| 2009 | 90 | 2.351,95 | 26,13 | 4 |
| 2010 | 217 | 7.364,65 | 33,94 | 4 |
| 2011 | 215 | 5.271,47 | 24,52 | 3 |
| 2012 | 217 | 5.763,15 | 26,56 | 4 |
| 2013 | 274 | 6.548,52 | 23,90 | 4 |
| 2014 | 333 | 9.130,48 | 27,42 | 4 |
| 2015 | 297 | 7.604,14 | 25,60 | 4 |
| 2016 | 194 | 7.227,81 | 37,26 | 3 |
| 2017 | 197 | 7.755,43 | 39,37 | 3 |
| 2018 | 167 | 6.635,75 | 39,74 | 3 |
| 2019 | 162 | 6.697,04 | 41,34 | 3 |
| 2020 | 143 | 6.234,20 | 43,60 | 3 |
| 2021 | 153 | 6.859,62 | 44,83 | 3 |
| 2022 | 144 | 6.267,87 | 43,53 | 3 |
| 2023 | 136 | 5.624,98 | 41,36 | 4 |
| 2024 | 133 | 5.406,82 | 40,65 | 4 |
| totale | 3.252 | 106.941,66 | 32,88 | 62 |