| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 388 | 6.837,40 | 17,62 | 3 |
| 2007 | 194 | 4.355,73 | 22,45 | 2 |
| 2008 | 181 | 3.814,38 | 21,07 | 2 |
| 2009 | 81 | 2.039,58 | 25,18 | 2 |
| 2010 | 281 | 5.654,76 | 20,12 | 3 |
| 2011 | 209 | 3.676,26 | 17,59 | 2 |
| 2012 | 383 | 7.837,95 | 20,46 | 4 |
| 2013 | 428 | 8.399,03 | 19,62 | 4 |
| 2014 | 443 | 11.764,32 | 26,56 | 4 |
| 2015 | 447 | 11.320,65 | 25,33 | 4 |
| 2016 | 440 | 11.714,87 | 26,62 | 4 |
| 2017 | 584 | 14.884,84 | 25,49 | 4 |
| 2018 | 691 | 18.800,62 | 27,21 | 5 |
| 2019 | 686 | 17.309,88 | 25,23 | 5 |
| 2020 | 629 | 16.361,03 | 26,01 | 5 |
| 2021 | 780 | 20.730,56 | 26,58 | 6 |
| 2022 | 791 | 20.511,99 | 25,93 | 6 |
| 2023 | 736 | 18.460,70 | 25,08 | 7 |
| 2024 | 713 | 17.690,12 | 24,81 | 7 |
| totale | 9.085 | 222.164,67 | 24,45 | 79 |