Mayo was the team's leading scorer for the first two months of the season before Nowitzki's return saw his averages dip.
His scoring average rose with the 76ers, though his rebounding and blocked shot averages dipped.
While the overall average for Manhattan co-ops dipped by 7.6 percent, to $424,365 from $459,569 in 1996, there was wide fluctuation according to apartment size.
In 1999, he again joined the 30-30 club with 33 homers and 36 steals, though his average had dipped to .253.
And some industry experts predict that the average will dip below 12 milligrams by 2000.
The national average for fixed-rate mortgages dipped to 9.69 percent last week, down from a high last March of 11.22 percent.
His batting average did not dip below .322 until his final playing season, 1936, when he finished with .310.
His average had dipped to .221 after 21 consecutive hitless at-bats before he left the team a month ago.
However, by 1990 Santovenia's average had dipped below the mendoza line.
When his average dipped to .303 last year, some wondered what was wrong.