| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 212 | 5.778,99 | 27,26 | 3 |
| 2007 | 85 | 2.714,08 | 31,93 | 1 |
| 2008 | 55 | 2.738,74 | 49,80 | 1 |
| 2009 | 119 | 4.364,62 | 36,68 | 3 |
| 2010 | 142 | 4.244,73 | 29,89 | 3 |
| 2011 | 67 | 1.864,14 | 27,82 | 1 |
| 2012 | 142 | 3.538,06 | 24,92 | 3 |
| 2013 | 128 | 3.108,32 | 24,28 | 3 |
| 2014 | 118 | 3.548,31 | 30,07 | 3 |
| 2015 | 114 | 3.307,89 | 29,02 | 3 |
| 2016 | 109 | 3.506,72 | 32,17 | 4 |
| 2017 | 110 | 3.571,52 | 32,47 | 4 |
| 2018 | 117 | 3.731,67 | 31,89 | 4 |
| 2019 | 146 | 4.546,03 | 31,14 | 4 |
| 2020 | 133 | 4.524,16 | 34,02 | 4 |
| 2021 | 127 | 3.926,78 | 30,92 | 4 |
| 2022 | 78 | 3.071,21 | 39,37 | 3 |
| 2023 | 88 | 3.608,60 | 41,01 | 3 |
| 2024 | 70 | 3.094,03 | 44,20 | 3 |
| totale | 2.160 | 68.788,60 | 31,85 | 57 |