| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 360 | 6.816,01 | 18,93 | 3 |
| 2007 | 137 | 2.550,15 | 18,61 | 1 |
| 2008 | 197 | 4.765,39 | 24,19 | 2 |
| 2009 | 195 | 3.896,03 | 19,98 | 2 |
| 2010 | 187 | 4.510,57 | 24,12 | 3 |
| 2011 | 126 | 2.031,87 | 16,13 | 1 |
| 2012 | 179 | 4.154,67 | 23,21 | 4 |
| 2013 | 240 | 5.695,42 | 23,73 | 4 |
| 2014 | 231 | 7.690,11 | 33,29 | 4 |
| 2015 | 151 | 5.901,44 | 39,08 | 3 |
| 2016 | 80 | 1.653,73 | 20,67 | 4 |
| 2017 | 139 | 4.336,18 | 31,20 | 5 |
| 2018 | 67 | 1.290,28 | 19,26 | 4 |
| 2019 | 77 | 1.331,62 | 17,29 | 4 |
| 2020 | 82 | 1.788,11 | 21,81 | 4 |
| 2021 | 124 | 2.754,15 | 22,21 | 4 |
| 2022 | 105 | 2.904,85 | 27,67 | 4 |
| 2023 | 118 | 3.601,68 | 30,52 | 4 |
| 2024 | 140 | 3.933,84 | 28,10 | 4 |
| totale | 2.935 | 71.606,10 | 24,40 | 64 |