| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 86 | 1.460,52 | 16,98 | 1 |
| 2007 | 225 | 5.932,70 | 26,37 | 1 |
| 2008 | 210 | 5.968,48 | 28,42 | 1 |
| 2009 | 256 | 7.123,74 | 27,83 | 4 |
| 2010 | 214 | 5.390,92 | 25,19 | 2 |
| 2011 | 224 | 7.327,07 | 32,71 | 1 |
| 2012 | 220 | 6.752,23 | 30,69 | 2 |
| 2013 | 212 | 6.173,49 | 29,12 | 2 |
| 2014 | 224 | 8.070,51 | 36,03 | 2 |
| 2015 | 186 | 7.532,82 | 40,50 | 2 |
| 2016 | 192 | 8.016,22 | 41,75 | 2 |
| 2017 | 163 | 6.086,62 | 37,34 | 2 |
| 2018 | 158 | 5.659,29 | 35,82 | 2 |
| 2019 | 135 | 4.477,07 | 33,16 | 2 |
| 2020 | 116 | 4.969,98 | 42,84 | 2 |
| 2021 | 113 | 4.947,42 | 43,78 | 2 |
| 2022 | 108 | 4.173,54 | 38,64 | 2 |
| 2023 | 103 | 4.531,18 | 43,99 | 2 |
| 2024 | 77 | 2.304,56 | 29,93 | 3 |
| totale | 3.222 | 106.898,36 | 33,18 | 37 |