The (Numeric) Decline of Popular Culture

Numbers of viewers and percentages of households tuned in to last episodes of popular television series, in chronological order:

The Fugitive (1967) -- 30 M / 45.9%
M*A*S*H (1983) -- 106 M / 60.2%
Cheers (1993) -- 80 M / 45.5%
Seinfeld (1998) -- 76 M / 41.3%
Friends (2004) -- 53 M / 29.8%
Everybody Loves Raymond (2005) -- 33 M / 20.2%
ER (2009) -- 16 M / 10.4%
Lost (2010) -- 14 M / 8.6%