Rearrange these heritage railways into the order of the dates they reopened in their present form, with the earliest at the top
Correctly ordered list
1: Bluebell 1959
2: Keighley and Worth Valley 1968
3: Severn Valley 1970
4: North Yorkshire Moors 1973
5: Nene Valley 1974
6: West Somerset 1976
7: Downpatrick and Co Down 1981
8: Lincolnshire Wolds 1991
9: Caledonian (Brechin) 1993
10: Barry Island 1998
