| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 73 | 1.206,30 | 16,52 | 2 |
| 2007 | 80 | 1.704,73 | 21,31 | 2 |
| 2008 | 88 | 1.846,32 | 20,98 | 1 |
| 2009 | 100 | 2.055,02 | 20,55 | 2 |
| 2010 | 95 | 1.804,06 | 18,99 | 2 |
| 2011 | 111 | 2.594,10 | 23,37 | 1 |
| 2012 | 104 | 2.742,91 | 26,37 | 2 |
| 2013 | 128 | 3.162,68 | 24,71 | 2 |
| 2014 | 107 | 3.023,29 | 28,26 | 2 |
| 2015 | 95 | 2.460,45 | 25,90 | 2 |
| 2016 | 103 | 2.420,74 | 23,50 | 2 |
| 2017 | 109 | 2.507,62 | 23,01 | 3 |
| 2018 | 97 | 2.398,55 | 24,73 | 3 |
| 2019 | 102 | 2.406,66 | 23,59 | 3 |
| 2020 | 111 | 2.355,47 | 21,22 | 3 |
| 2021 | 116 | 2.309,36 | 19,91 | 3 |
| 2022 | 97 | 2.204,13 | 22,72 | 2 |
| 2023 | 91 | 1.877,62 | 20,63 | 2 |
| 2024 | 105 | 2.235,08 | 21,29 | 2 |
| totale | 1.912 | 43.315,09 | 22,65 | 41 |