Revert "Changed length bins to have 1cm steps"

This reverts commit 48352cd7a2f9812c1af06465f80272105df946a7.
Revert "Change start year and end year to 1 and 100, respectively"

This reverts commit f026fc0b3f15f80134eb6488a5587c42a8fba2e8.
Revert "Changed length bins to have 1cm steps"

This reverts commit 48352cd7a2f9812c1af06465f80272105df946a7.