1 over the period from...to..the..remained level.在..至..期间，基本不变。
2 in the year between...and...在...年到...期间...
3 in the 3 years spinning from 1995 through 1998...在1995-1998的三年中...
4 from then on/from this time onwards...从那时起...
5 the number of...remained steady/stable from(month/year)to((month/year))..月(年)至...月(年)..的数量维持稳定
6 the number sharply went up to...数字急剧上升至...
7 the percentage of...stayed the same between...and...在..至..期间...的百分比维持不变
8 the figures peaked at...in(month/year)在某年某月...的数字达到顶点
9 the percentage remained steady at...比率维持在...
10 the percentage of...is slightly larger/smaller than that of...XX的比例比XX的比例略微大(小)一点...
