Orr Hart Competition (Top 5)
67 - Distant 6th
68 - Mikita, Beliveau, Hull, Orr, Howe
69 - Esposito, Beliveau, Orr, Berenson, Howe
70 - Orr, Esposito, Berenson, Mikita, Park
71 - Orr, Esposito, Hull, Keon, Plante
72 - Orr, Dryden, Esposito, Ratelle, Hadfield
73 - Clarke, Esposito, Orr, Dryden, Perreault (would lose even combing him and Esposito)
74 - Esposito, Parent, Orr, Clarke, Esposito
75 - Clarke, Vachon, Orr, Parent, Lalfeur
Gretzky Hart Competition (Top 5)
80 - Gretzky, Dionne, Esposito, Lalfeur, Gare
81 - Gretzky, Liut, Dionne, Bossy, Trottier
82 - Gretzky, Trottier, Bossy, Stastny, Hawerchuk
83 - Gretzky, Peeters, Savard, Langway, Howe
84 - Greztky, Langway, Trottier, Middleton, Bourque
85 - Gretzky, Hawerchuk, Lindbergh, Langway, Bouque
86 - Gretzky, Lemieux, Howe, Coffey, Vanbiesbrouck
87 - Gretzky, Bourque, Liut, Lemieux, Gilmour
88 - Lemieux, Fuhrr, Gretzky, Yzerman, Savard
89 - Gretzky, Lemieux, Yzerman, Roy, Mullen/Chelios
90 - Messier, Bourque, Hull, Gretzky, Lafontaine
91 - Hull, Gretzky, Belfour, Bourque, Larmer
Then after 12 straight seasons in the top 5 Gretzky disappears from hart ballots until 98.
Naturally this sort of breakdown completely ignores what each player accomplished in a given season so needs a heaping help of salt.