| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 255 | 4.214,93 | 16,53 | 6 |
| 2007 | 125 | 2.179,90 | 17,44 | 5 |
| 2008 | 77 | 1.208,79 | 15,70 | 4 |
| 2009 | 168 | 3.163,90 | 18,83 | 5 |
| 2010 | 134 | 2.269,93 | 16,94 | 5 |
| 2011 | 18 | 278,94 | 15,50 | 5 |
| 2012 | 406 | 7.881,79 | 19,41 | 8 |
| 2013 | 324 | 5.646,08 | 17,43 | 5 |
| 2014 | 330 | 7.689,15 | 23,30 | 6 |
| 2015 | 272 | 5.720,44 | 21,03 | 4 |
| 2016 | 294 | 6.269,09 | 21,32 | 6 |
| 2017 | 232 | 5.953,62 | 25,66 | 5 |
| 2018 | 217 | 4.786,70 | 22,06 | 7 |
| 2019 | 255 | 5.532,63 | 21,70 | 7 |
| 2020 | 262 | 6.373,18 | 24,33 | 7 |
| 2021 | 215 | 5.210,10 | 24,23 | 6 |
| 2022 | 213 | 5.162,94 | 24,24 | 5 |
| 2023 | 235 | 5.466,47 | 23,26 | 5 |
| 2024 | 228 | 5.114,10 | 22,43 | 5 |
| totale | 4.260 | 90.122,68 | 21,16 | 106 |