Went Backwards
1929 3-6-0 - 1930 2-6-1
Stayed the Same
1940 3-7-0 to 1941 3-6-0
“Modest Improvement”
1923 3-2-4 to 1924 5-3-1
1983 3-8-0 to 1984 6-4-1
1988 3-8-0 to 1989 7-4-0
”Massive Improvement”
1938 3-4-3 to 1939 8-2-0
1941 3-6-0 to 1942 9-2-0
2015 3-9 to 2016 9-4
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Of note, the last two...