| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 98 | 3.078,71 | 31,42 | 2 |
| 2007 | 167 | 5.250,29 | 31,44 | 3 |
| 2008 | 222 | 6.091,37 | 27,44 | 4 |
| 2009 | 157 | 3.900,46 | 24,84 | 2 |
| 2010 | 169 | 3.891,51 | 23,03 | 4 |
| 2011 | 151 | 3.241,76 | 21,47 | 3 |
| 2012 | 152 | 3.599,72 | 23,68 | 5 |
| 2013 | 165 | 3.565,33 | 21,61 | 5 |
| 2014 | 153 | 4.394,81 | 28,72 | 5 |
| 2015 | 154 | 4.410,85 | 28,64 | 5 |
| 2016 | 174 | 4.657,21 | 26,77 | 6 |
| 2017 | 131 | 3.687,06 | 28,15 | 5 |
| 2018 | 148 | 3.823,47 | 25,83 | 6 |
| 2019 | 142 | 4.170,50 | 29,37 | 7 |
| 2020 | 115 | 3.748,67 | 32,60 | 7 |
| 2021 | 130 | 4.755,95 | 36,58 | 9 |
| 2022 | 129 | 4.315,92 | 33,46 | 7 |
| 2023 | 151 | 4.060,86 | 26,89 | 9 |
| 2024 | 171 | 5.243,39 | 30,66 | 11 |
| totale | 2.879 | 79.887,84 | 27,75 | 105 |