| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 166 | 4.123,16 | 24,84 | 2 |
| 2007 | 156 | 4.311,29 | 27,64 | 2 |
| 2008 | 183 | 4.409,99 | 24,10 | 1 |
| 2009 | 220 | 5.042,34 | 22,92 | 3 |
| 2010 | 183 | 3.159,68 | 17,27 | 2 |
| 2011 | 157 | 2.589,71 | 16,49 | 1 |
| 2012 | 88 | 2.353,00 | 26,74 | 4 |
| 2013 | 136 | 2.910,63 | 21,40 | 3 |
| 2014 | 140 | 3.825,38 | 27,32 | 3 |
| 2015 | 130 | 3.695,96 | 28,43 | 3 |
| 2016 | 167 | 4.420,87 | 26,47 | 3 |
| 2017 | 149 | 3.518,24 | 23,61 | 3 |
| 2018 | 133 | 3.250,12 | 24,44 | 3 |
| 2019 | 122 | 3.612,98 | 29,61 | 3 |
| 2020 | 93 | 2.371,03 | 25,49 | 3 |
| 2021 | 84 | 2.000,74 | 23,82 | 3 |
| 2022 | 75 | 2.010,97 | 26,81 | 3 |
| 2023 | 78 | 2.326,34 | 29,82 | 5 |
| 2024 | 98 | 2.100,48 | 21,43 | 6 |
| totale | 2.558 | 62.032,91 | 24,25 | 56 |