| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 248 | 5.990,11 | 24,15 | 1 |
| 2007 | 23 | 965,62 | 41,98 | 1 |
| 2008 | 21 | 476,40 | 22,69 | 1 |
| 2009 | 105 | 2.564,10 | 24,42 | 2 |
| 2010 | 117 | 3.399,26 | 29,05 | 3 |
| 2011 | 45 | 1.335,73 | 29,68 | 2 |
| 2012 | 131 | 3.229,08 | 24,65 | 4 |
| 2013 | 136 | 3.944,20 | 29,00 | 3 |
| 2014 | 262 | 14.120,46 | 53,89 | 5 |
| 2015 | 215 | 13.129,08 | 61,07 | 4 |
| 2016 | 214 | 13.099,73 | 61,21 | 4 |
| 2017 | 224 | 13.894,94 | 62,03 | 4 |
| 2018 | 233 | 9.331,29 | 40,05 | 4 |
| 2019 | 208 | 8.123,85 | 39,06 | 4 |
| 2020 | 207 | 7.100,10 | 34,30 | 4 |
| 2021 | 202 | 7.240,42 | 35,84 | 4 |
| 2022 | 80 | 2.061,57 | 25,77 | 3 |
| 2023 | 104 | 2.472,43 | 23,77 | 5 |
| 2024 | 121 | 3.166,12 | 26,17 | 5 |
| totale | 2.896 | 115.644,49 | 39,93 | 63 |