| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 1.010 | 18.018,59 | 17,84 | 2 |
| 2007 | 42 | 946,58 | 22,54 | 2 |
| 2008 | 59 | 2.612,94 | 44,29 | 2 |
| 2009 | 321 | 8.092,34 | 25,21 | 3 |
| 2010 | 314 | 6.005,90 | 19,13 | 4 |
| 2011 | 135 | 2.793,53 | 20,69 | 1 |
| 2012 | 596 | 11.572,04 | 19,42 | 4 |
| 2013 | 563 | 11.819,35 | 20,99 | 4 |
| 2014 | 644 | 15.483,48 | 24,04 | 4 |
| 2015 | 749 | 17.311,71 | 23,11 | 5 |
| 2016 | 753 | 17.973,08 | 23,87 | 5 |
| 2017 | 751 | 18.546,07 | 24,70 | 5 |
| 2018 | 736 | 18.392,34 | 24,99 | 6 |
| 2019 | 857 | 22.880,43 | 26,70 | 7 |
| 2020 | 867 | 21.681,76 | 25,01 | 8 |
| 2021 | 879 | 21.931,58 | 24,95 | 8 |
| 2022 | 1.091 | 31.540,04 | 28,91 | 13 |
| 2023 | 1.126 | 33.688,15 | 29,92 | 13 |
| 2024 | 1.157 | 33.389,41 | 28,86 | 15 |
| totale | 12.650 | 314.679,32 | 24,88 | 111 |