The population of the city remained flat or declined from 1940-2000.
Yet reading scores on national standardized tests have remained relatively flat.
The city grew slowly, reaching 6,500 people in 1960 and remaining nearly flat through 1990.
But so far in this downturn, inventories have remained remarkably flat.
In recent months, stock prices have fallen or remained flat, reducing output per hour.
That followed three quarters in which economic output had either shrunk or remained flat.
At the same time, the cost of raw materials, like oil, has remained relatively flat.
Since the early 1980's, the agency's budget has remained virtually flat.
Los Angeles water consuption has remained flat for more than a decade, despite population increase.
Across the country, recent studies have shown childhood obesity rates remaining flat or slightly increasing.