| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 125 | 2.898,51 | 23,19 | 1 |
| 2007 | 148 | 7.988,85 | 53,98 | 1 |
| 2008 | 158 | 7.881,78 | 49,88 | 2 |
| 2009 | 480 | 11.986,68 | 24,97 | 3 |
| 2010 | 116 | 1.761,71 | 15,19 | 2 |
| 2011 | 140 | 3.072,29 | 21,94 | 1 |
| 2012 | 92 | 1.780,19 | 19,35 | 2 |
| 2013 | 100 | 1.855,40 | 18,55 | 2 |
| 2014 | 58 | 1.409,13 | 24,30 | 2 |
| 2015 | 54 | 1.314,03 | 24,33 | 2 |
| 2016 | 39 | 726,52 | 18,63 | 2 |
| 2017 | 18 | 408,03 | 22,67 | 1 |
| 2018 | 29 | 865,95 | 29,86 | 2 |
| 2019 | 45 | 1.274,62 | 28,32 | 3 |
| 2020 | 28 | 1.045,13 | 37,33 | 2 |
| 2021 | 24 | 837,97 | 34,92 | 2 |
| 2022 | 17 | 430,10 | 25,30 | 1 |
| 2023 | 88 | 3.560,75 | 40,46 | 2 |
| 2024 | 105 | 4.426,95 | 42,16 | 2 |
| totale | 1.864 | 55.524,59 | 29,79 | 35 |