| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 57 | 1.310,14 | 22,98 | 2 |
| 2007 | 73 | 2.196,81 | 30,09 | 1 |
| 2008 | 73 | 2.650,38 | 36,31 | 1 |
| 2009 | 112 | 4.212,58 | 37,61 | 2 |
| 2010 | 103 | 2.547,21 | 24,73 | 2 |
| 2011 | 146 | 3.931,79 | 26,93 | 1 |
| 2012 | 118 | 5.101,31 | 43,23 | 2 |
| 2013 | 141 | 4.906,31 | 34,80 | 2 |
| 2014 | 149 | 5.606,05 | 37,62 | 2 |
| 2015 | 140 | 4.833,54 | 34,53 | 2 |
| 2016 | 131 | 5.321,66 | 40,62 | 2 |
| 2017 | 113 | 5.043,77 | 44,64 | 2 |
| 2018 | 102 | 4.031,67 | 39,53 | 2 |
| 2019 | 99 | 4.035,93 | 40,77 | 2 |
| 2020 | 85 | 3.525,36 | 41,47 | 2 |
| 2021 | 88 | 2.996,54 | 34,05 | 2 |
| 2022 | 82 | 2.863,31 | 34,92 | 2 |
| 2023 | 79 | 2.831,75 | 35,84 | 2 |
| 2024 | 76 | 2.597,48 | 34,18 | 2 |
| totale | 1.967 | 70.543,59 | 35,86 | 35 |