| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 223 | 5.648,82 | 25,33 | 2 |
| 2007 | 37 | 906,97 | 24,51 | 2 |
| 2008 | 16 | 354,54 | 22,16 | 1 |
| 2009 | 58 | 1.382,85 | 23,84 | 2 |
| 2010 | 52 | 1.216,00 | 23,38 | 3 |
| 2011 | 29 | 530,12 | 18,28 | 2 |
| 2012 | 105 | 2.403,14 | 22,89 | 3 |
| 2013 | 106 | 2.574,04 | 24,28 | 4 |
| 2014 | 118 | 3.721,89 | 31,54 | 5 |
| 2015 | 103 | 3.009,50 | 29,22 | 3 |
| 2016 | 158 | 4.997,30 | 31,63 | 4 |
| 2017 | 144 | 3.974,49 | 27,60 | 4 |
| 2018 | 136 | 4.004,62 | 29,45 | 4 |
| 2019 | 129 | 4.048,55 | 31,38 | 5 |
| 2020 | 121 | 3.994,93 | 33,02 | 5 |
| 2021 | 121 | 4.582,89 | 37,88 | 6 |
| 2022 | 72 | 2.245,41 | 31,19 | 3 |
| 2023 | 71 | 2.893,09 | 40,75 | 3 |
| 2024 | 100 | 3.058,01 | 30,58 | 4 |
| totale | 1.899 | 55.547,16 | 29,25 | 65 |