The second line begins with the index "R2K" followed by the difference between the beginning value and the ending value (the return for the year). The second number is the lowest low from the beginning and the third number is the highest high from the beginning. There is a dash between the 2nd and 3rd numbers, not a minus sign.
The third line begins MDD for Maximum drawdown and the percentage amount followed by the date it occurred. The final item in line 3 CAR (Compound Annual Return) should be ignored.
Vertical dashed lines have been drawn on the 1st trading day of each month.
The last chart shows a composite of all Presidential years 3, 1983 - 2011