The investigation was conducted - Seasons
Specials
2010
•
1 episodes
Season 1
2006
•
32 episodes
Season 2
2007
•
36 episodes
Season 3
2008
•
32 episodes
Season 4
2009
•
26 episodes
Season 5
2010
•
32 episodes
Season 6
2011
•
30 episodes
Season 7
2012
•
35 episodes
Season 8
2013
•
34 episodes
Season 9
2014
•
33 episodes
Season 10
2015
•
35 episodes
Season 11
2016
•
33 episodes
Season 12
2017
•
35 episodes
Season 13
2018
•
36 episodes
Season 14
2019
•
36 episodes
Season 15
2020
•
36 episodes
Season 16
2021
•
36 episodes
Season 17
2022
•
36 episodes
Season 18
2023
•
36 episodes
Season 19
2024
•
36 episodes
Season 20
2025
•
31 episodes