Here we go - Cumulative Ladder 2000-2011 (Finals included) - Sorted by Winning %
Melbourne - 194 wins, 5 draws, 115 losses @ 61.78%
Brisbane - 196 wins, 6 draws, 116 losses @ 61.64%
Manly - 129 wins, 101 losses @ 56.09%
Bulldogs - 169 wins, 6 draws, 132 losses @ 55.05%
St.George-Illawarra - 166 wins, 6 draws, 138 losses @ 53.55%
Sydney Roosters - 166 wins, 3 draws, 144 losses @ 53.04%
Parramatta - 154 wins, 7 draws, 148 losses @ 49.84%
Warriors - 149 wins, 7 draws, 153 losses @ 48.22%
Newcastle - 145 wins, 2 draws, 157 losses @ 47.70%
Gold Coast Titans - 58 wins, 66 losses @ 46.77%
Penrith - 140 wins, 2 draws, 159 losses @ 46.51%
Wests Tigers - 138 wins, 3 draws, 160 losses @ 45.85%
Canberra - 135 wins, 2 draws, 165 losses @ 44.70%
Cronulla - 132 wins, 2 draws, 168 losses @ 43.71%
North Queensland - 124 wins, 3 draws, 176 losses @ 40.92%
Northern Eagles - 30 wins, 1 draw, 45 losses @ 39.47%
Souths - 78 wins, 4 draws, 159 losses @ 32.37%
Souths rank equal 5th for most losses behind Cowboys (176), Cronulla (168), Canberra (165), Tigers (160) and equal with Penrith on (159)
all 5 of those clubs have played 2 more seasons than Souths.