Year
|
#
|
Players
1951|5|Robinson, Dionne, Salming, Lafleur, Ramsay
1952|2|Lever, Russell
1953|5|Gainey, MacDonald, Potvin, Lewis, Middleton
1954|2|Snepsts, Murray
1955|1|Taylor
1956|3|
Trottier
, Carlyle, Federko
1957|4|Roberts, Tonelli, Mullen, Wilson
1958|5|MacTavish, Marsh, Smith, Acton, Walter
1959|10|Gartner, Lowe, McCrimmon, Broten, Wells, Ramage, Foligno, Huddy, Propp, Christian
1960|9|Bourque, Hunter, Carbonneau, Kurri, Ciccarelli, Anderson, Goulet, Ramsey, Boschman
1961|11|
Messier
, Murphy, Gretzky, Coffey, Ludwig, Savard, Babych, Macoun, Nicholls, Ledyard, Larmer
1962|5|Chelios, Oates, Sutter, Courtnall, Duchesne
1963|13|Francis, Andreychuk, Gilmour, MacInnis, Patrick, Thomas, Dineen, Hawerchuk, Carpenter, Galley, Sutter, Miller, Adams
1964|14|Stevens, Housley, Verbeek, Daneyko, Hull, Ferraro, MacLean, Bellows, Suter, Tocchet, Ellett, Samuelsson, Craven, Rouse
1965|9|Yzerman, C. Lemieux, Bergevin, Ronning, Duchesne, Lowry, Berube, Courtnall, Gill
1966|17|Mellanby, Robitaille, Muller, Nieuwendyk, Roberts, Buchberger, Cote, Hatcher, Weinrich, Corson, Sweeney, Bodger, Richer, Olczyk, Svoboda, Olausson, Ranheim
In this case, 5 years seems to have made somewhat of a generational difference when it comes to longevity. It's like someone flipped a switch in 1959 and doubled/tripled the number of players who went on to have long careers.
I think it's relevant to point out that the most recent round of expansion began in 1992.