With regard to center-aligned, row scope HAS been turned on for each column, but the aforementioned FLs have left-aligned year columns, so I believe the precedent is for left-aligned columns throughout the table.
With regard to center-aligned, row scope HAS been turned on for each column, and so has plainrowheaders, so it's still left. The aforementioned FLs have left-aligned year columns, so I believe the precedent is for left-aligned columns throughout the table.