| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 124 | 4.793,63 | 38,66 | 2 |
| 2007 | 77 | 4.618,24 | 59,98 | 1 |
| 2008 | 96 | 7.378,70 | 76,86 | 1 |
| 2009 | 174 | 6.651,47 | 38,23 | 3 |
| 2010 | 165 | 5.355,26 | 32,46 | 3 |
| 2011 | 175 | 4.437,82 | 25,36 | 2 |
| 2012 | 153 | 4.383,76 | 28,65 | 3 |
| 2013 | 163 | 4.332,29 | 26,58 | 3 |
| 2014 | 178 | 6.825,47 | 38,35 | 3 |
| 2015 | 168 | 6.073,77 | 36,15 | 3 |
| 2016 | 161 | 6.167,84 | 38,31 | 3 |
| 2017 | 166 | 6.360,23 | 38,31 | 3 |
| 2018 | 147 | 6.696,51 | 45,55 | 3 |
| 2019 | 155 | 7.623,28 | 49,18 | 3 |
| 2020 | 135 | 5.754,64 | 42,63 | 3 |
| 2021 | 124 | 4.997,42 | 40,30 | 3 |
| 2022 | 116 | 7.023,40 | 60,55 | 3 |
| 2023 | 111 | 6.009,53 | 54,14 | 3 |
| 2024 | 107 | 4.744,69 | 44,34 | 3 |
| totale | 2.695 | 110.227,95 | 40,90 | 51 |