History of the GFCI in a home

This is the history of the GFCI in homes.  It does not mean that GFCI protected outlets are not needed if a home was built before the effective date.  You can't grandfather safety!

1971 Receptacles within 15 feet of pool walls
1971 All equipment used with storable swimming pools
1973 All outdoor receptacles 
1974 Construction Sites
1975 Bathrooms, 120-volt pool lights, and fountain equipment
1978 Garages, spas, and hydromassage tubs
1978 Outdoor receptacles above 6ft.6in. grade access exempted
1984 Replacement of non-grounding receptacles with no grounding conductor
1984 Pool cover motors
1984 Distance of GFCI protection extended to 20 feet from pool walls
1987 Unfinished basements
1987 Kitchen countertop receptacles within 6 feet of sink
1987 Boathouses
1990 Crawlspaces (with exception for sump pumps or other dedicated equip.)
1993 Wet bar countertops within 6 feet of sink
1993 Any receptacle replaced in an area presently requiring GFCI
1996 All kitchen counters - not just those within 6 feet of sink
1996 All exterior receptacles except dedicated de-icing tape receptacle
1996 Unfinished accessory buildings at or below grade
1999 Exemption for dedicated equipment in crawlspace removed