To find a worse season one has to go back nearly 50 years to 1965/66 when we conceded 75 or 1.79 per game.
Our defensive vulnerability is not a recent occurrence and we are at our worst when we play away from home where the decline has been steady for the past nine seasons.
Here are the stats on our away goals against since 2003/4.
2003/4 = 12 GA, .63 Goals against per game.
2004/5 = 17 GA, .89 GPG
2005/6 = 18 GA, .95 ...