| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 139 | 3.372,54 | 24,26 | 2 |
| 2007 | 3 | 98,28 | 32,76 | 2 |
| 2008 | 98 | 2.831,72 | 28,90 | 2 |
| 2009 | 99 | 3.271,98 | 33,05 | 3 |
| 2010 | 116 | 2.711,64 | 23,38 | 3 |
| 2011 | 128 | 3.925,85 | 30,67 | 2 |
| 2012 | 131 | 3.704,42 | 28,28 | 4 |
| 2013 | 130 | 4.023,56 | 30,95 | 4 |
| 2014 | 110 | 4.270,53 | 38,82 | 3 |
| 2015 | 16 | 316,14 | 19,76 | 1 |
| 2016 | 107 | 4.258,22 | 39,80 | 3 |
| 2017 | 113 | 4.157,38 | 36,79 | 3 |
| 2018 | 122 | 3.737,45 | 30,63 | 4 |
| 2019 | 119 | 4.109,72 | 34,54 | 4 |
| 2020 | 120 | 3.892,70 | 32,44 | 4 |
| 2021 | 94 | 3.081,48 | 32,78 | 4 |
| 2022 | 84 | 2.722,69 | 32,41 | 4 |
| 2023 | 87 | 3.133,89 | 36,02 | 4 |
| 2024 | 84 | 3.437,03 | 40,92 | 4 |
| totale | 1.900 | 61.057,22 | 32,14 | 60 |