"Year","Decline","Time to B/E"
1929,86,298
1933,31,28
1937,54,110
1938,45,76
1946,30,52
1956,22,26
1961,28,23
1966,22,18
1968,36,41
1973,48,91
1976,20,36
1980,27,25
1987,34,24
1990,20,9
1998,19,6