| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 970 | 18.936,23 | 19,52 | 2 |
| 2007 | 610 | 13.831,15 | 22,67 | 3 |
| 2008 | 851 | 19.737,49 | 23,19 | 5 |
| 2009 | 1.154 | 25.714,17 | 22,28 | 7 |
| 2010 | 1.180 | 22.537,35 | 19,10 | 8 |
| 2011 | 1.067 | 19.033,25 | 17,84 | 5 |
| 2012 | 1.123 | 21.710,98 | 19,33 | 9 |
| 2013 | 1.263 | 22.685,10 | 17,96 | 9 |
| 2014 | 1.289 | 30.860,91 | 23,94 | 9 |
| 2015 | 1.217 | 28.442,47 | 23,37 | 10 |
| 2016 | 1.159 | 27.247,39 | 23,51 | 9 |
| 2017 | 1.138 | 28.053,24 | 24,65 | 9 |
| 2018 | 1.135 | 25.686,26 | 22,63 | 9 |
| 2019 | 1.019 | 24.489,74 | 24,03 | 8 |
| 2020 | 1.027 | 25.383,35 | 24,72 | 8 |
| 2021 | 986 | 24.358,07 | 24,70 | 9 |
| 2022 | 966 | 23.167,74 | 23,98 | 9 |
| 2023 | 1.037 | 24.660,82 | 23,78 | 10 |
| 2024 | 1.009 | 23.849,61 | 23,64 | 11 |
| totale | 20.200 | 450.385,32 | 22,30 | 149 |