The scores for male students at the 10th, 25th, and 50th percentiles were lower in 2009 than in 1992, and the score at the 75th percentile was higher in 2009 than in 2005. Scores for female students at the 10th and 25th percentiles were lower in 2009 than in 1992, but the scores at all five selected percentiles were not significantly different in 2009 when compared to 2005.