And they found an almost-as-big decline in such shares, on average, the day after those record dates.
The survey found an average annual decline of 1 percent to 2 percent a year.
Elias Sports Bureau, however, found a decline in the number of games decided by 10 or more runs.
But research by the association had not found a decline in interest, she said.
At the same time, an agency study of high school students nationwide found a decline in tobacco use since 1997.
Trawl surveys off Sydney found a similar decline of 45%.
The poll also found a striking decline in public support for social welfare programs.
The 1990 census found only a slight decline in population, counting 141,686 people.
The report found an over-all decline of 21 percent in commercial values for the three years from 1989 to 1992.
The 1994 survey found a decline of 1.1 percent in average costs, after a decade of steady increases.