| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 329 | 4.223,33 | 12,84 | 2 |
| 2007 | 624 | 12.161,04 | 19,49 | 1 |
| 2008 | 745 | 16.483,95 | 22,13 | 2 |
| 2009 | 948 | 19.878,71 | 20,97 | 3 |
| 2010 | 1.079 | 20.583,94 | 19,08 | 4 |
| 2011 | 753 | 10.732,18 | 14,25 | 1 |
| 2012 | 1.177 | 21.610,83 | 18,36 | 6 |
| 2013 | 1.150 | 18.835,16 | 16,38 | 6 |
| 2014 | 926 | 18.830,81 | 20,34 | 7 |
| 2015 | 769 | 16.572,55 | 21,55 | 7 |
| 2016 | 654 | 14.939,54 | 22,84 | 5 |
| 2017 | 612 | 14.323,71 | 23,40 | 6 |
| 2018 | 418 | 11.584,96 | 27,72 | 6 |
| 2019 | 418 | 12.583,76 | 30,10 | 6 |
| 2020 | 380 | 11.030,68 | 29,03 | 6 |
| 2021 | 394 | 12.242,74 | 31,07 | 6 |
| 2022 | 483 | 15.043,73 | 31,15 | 6 |
| 2023 | 461 | 13.810,06 | 29,96 | 7 |
| 2024 | 504 | 14.601,23 | 28,97 | 8 |
| totale | 12.824 | 280.072,91 | 21,84 | 95 |