| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 335 | 5.434,44 | 16,22 | 3 |
| 2007 | 80 | 1.612,85 | 20,16 | 3 |
| 2008 | 79 | 1.394,24 | 17,65 | 2 |
| 2009 | 77 | 1.267,98 | 16,47 | 3 |
| 2010 | 94 | 1.226,82 | 13,05 | 4 |
| 2011 | 63 | 907,57 | 14,41 | 3 |
| 2012 | 45 | 552,03 | 12,27 | 2 |
| 2013 | 79 | 1.005,93 | 12,73 | 3 |
| 2014 | 78 | 1.210,06 | 15,51 | 3 |
| 2015 | 146 | 2.775,13 | 19,01 | 3 |
| 2016 | 128 | 2.362,22 | 18,45 | 3 |
| 2017 | 129 | 2.278,32 | 17,66 | 3 |
| 2018 | 123 | 2.177,32 | 17,70 | 3 |
| 2019 | 111 | 1.830,27 | 16,49 | 3 |
| 2020 | 112 | 2.146,19 | 19,16 | 3 |
| 2021 | 134 | 3.027,61 | 22,59 | 5 |
| 2022 | 124 | 3.014,13 | 24,31 | 5 |
| 2023 | 112 | 2.175,10 | 19,42 | 4 |
| 2024 | 102 | 1.868,65 | 18,32 | 4 |
| totale | 2.151 | 38.266,86 | 17,79 | 62 |