An article in Techno metrics (Vol. 19, 1977, p. 425) presents the following data on the motor fuel octane ratings of several blends of gasoline:

Construct a stem-and-leaf display for these data.

88.5 98.8 89.6 92.2 92.7 88.4 87.5 90.9 83.4 87.9 92.6 94.7 88.3 90.4 87.8 89.9 84.3 91.6 91.0 93.0 93.7 88.3 91.8 90.4 90.7 88.2 94.4 96.5 90.1 91.2 89.2 89.7 88.5 90.4 84.3 92.3 92.2 89.0 90.6 88.6 89.8 92.2 88.3 93.3 91.2 93.2 88.9 91.6 87.7 94.2 87.4 86.7 88.6 89.8 90.3 91.1 85.3 91.1 94.2 88.7 92.7 86.7 90.1 93.3 90.0 90.5 90.8 92.7 86.7 91.5 93.4 89.3 100.3 90.1 89.3 89.9 96.1 91.1 87.6 91.8 91.0 91.0