| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 256 | 7.800,43 | 30,47 | 5 |
| 2007 | 19 | 716,48 | 37,71 | 2 |
| 2008 | 39 | 1.492,49 | 38,27 | 3 |
| 2009 | 90 | 3.133,79 | 34,82 | 3 |
| 2010 | 68 | 1.833,37 | 26,96 | 3 |
| 2011 | 135 | 2.983,26 | 22,10 | 2 |
| 2012 | 94 | 2.682,57 | 28,54 | 2 |
| 2013 | 229 | 6.053,42 | 26,43 | 4 |
| 2014 | 311 | 11.157,28 | 35,88 | 4 |
| 2015 | 288 | 10.157,47 | 35,27 | 4 |
| 2016 | 286 | 9.267,01 | 32,40 | 4 |
| 2017 | 244 | 8.865,68 | 36,33 | 5 |
| 2018 | 229 | 8.228,38 | 35,93 | 6 |
| 2019 | 216 | 7.543,37 | 34,92 | 6 |
| 2020 | 196 | 7.387,20 | 37,69 | 6 |
| 2021 | 193 | 7.154,21 | 37,07 | 6 |
| 2022 | 130 | 4.662,26 | 35,86 | 5 |
| 2023 | 142 | 5.202,02 | 36,63 | 5 |
| 2024 | 132 | 4.395,29 | 33,30 | 6 |
| totale | 3.297 | 110.715,98 | 33,58 | 81 |