表示“平稳”或者“波动”

　　(1) The amount of water used for agriculture remained/stayed stable/steady/unchanged for 5 years in a row.

　　(2) The unemployment rate was flat at 6%.

　　(3) The house price stabilized at a high level from 1998 to 2000.

　　(4) The power consumption levels out / levels off in this period.

　　(5) The power consumption fluctuated in this period.

　　“极值”或者“超越”表示法

　　(1) The proportion of migrant workers reached a record high of / a peak of 60% in 2005.

　　(2) The birth rate peaked at 3% in 2005.

　　(3) The rainfall in 2000 was 1500 mm that year, a new low in twenty years.

　　(4) The percentage of smokers in female grew to a record high of 37% in 1990 and outmatched / exceeded that of their male counterpart.