| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 88 | 2.121,63 | 24,11 | 2 |
| 2007 | 14 | 405,14 | 28,94 | 2 |
| 2008 | 62 | 1.485,98 | 23,97 | 3 |
| 2009 | 106 | 1.681,71 | 15,87 | 4 |
| 2010 | 95 | 2.891,12 | 30,43 | 5 |
| 2011 | 97 | 1.307,70 | 13,48 | 2 |
| 2012 | 123 | 2.676,39 | 21,76 | 4 |
| 2013 | 185 | 3.353,53 | 18,13 | 7 |
| 2014 | 112 | 3.933,33 | 35,12 | 4 |
| 2015 | 136 | 4.032,39 | 29,65 | 4 |
| 2016 | 135 | 4.413,37 | 32,69 | 3 |
| 2017 | 92 | 3.629,19 | 39,45 | 4 |
| 2018 | 115 | 4.243,19 | 36,90 | 4 |
| 2019 | 146 | 4.730,80 | 32,40 | 4 |
| 2020 | 144 | 5.017,12 | 34,84 | 4 |
| 2021 | 294 | 8.400,22 | 28,57 | 6 |
| 2022 | 331 | 10.899,89 | 32,93 | 7 |
| 2023 | 405 | 13.162,25 | 32,50 | 8 |
| 2024 | 461 | 12.930,20 | 28,05 | 8 |
| totale | 3.141 | 91.315,15 | 29,07 | 85 |