| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 715 | 15.438,53 | 21,59 | 2 |
| 2007 | 1.095 | 25.676,09 | 23,45 | 2 |
| 2008 | 1.086 | 26.296,42 | 24,21 | 2 |
| 2009 | 795 | 19.933,27 | 25,07 | 4 |
| 2010 | 1.396 | 30.382,22 | 21,76 | 3 |
| 2011 | 1.569 | 33.120,93 | 21,11 | 2 |
| 2012 | 1.358 | 30.410,54 | 22,39 | 2 |
| 2013 | 1.506 | 32.022,36 | 21,26 | 4 |
| 2014 | 1.408 | 37.779,08 | 26,83 | 4 |
| 2015 | 1.243 | 32.816,98 | 26,40 | 4 |
| 2016 | 1.361 | 36.997,85 | 27,18 | 5 |
| 2017 | 1.113 | 30.210,42 | 27,14 | 5 |
| 2018 | 1.272 | 34.733,94 | 27,31 | 5 |
| 2019 | 73 | 2.487,76 | 34,08 | 3 |
| 2020 | 1.067 | 33.216,96 | 31,13 | 4 |
| 2021 | 993 | 29.529,52 | 29,74 | 4 |
| 2022 | 1.022 | 29.440,49 | 28,81 | 5 |
| 2023 | 1.111 | 30.515,48 | 27,47 | 6 |
| 2024 | 1.113 | 29.607,38 | 26,60 | 7 |
| totale | 21.296 | 540.616,22 | 25,39 | 73 |