The biggest change has been the decrease in sales since the great boom years in 1980s when champagne production and sales reached record levels.

最大的变化是，自20世纪80年代香槟的生产和销售达到创纪录水平的大繁荣时期后，销量一直在下降。

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Profits were at record levels.

利润水平是创纪录的。

《柯林斯英汉双解大词典》

The number of international students in the United States is at record levels.

VOA: special.2010.05.27

As 2009 came to a close, suicides in the U.S.Army reached record levels.

VOA: standard.2009.12.25

Violence in Afghanistan has reached record levels in recent months.

VOA: standard.2010.07.20

Indeed, until the globalization of the financial crisis, American manufacturing exports were reaching record levels.

FORBES: Magazine Article

Students are already borrowing at record levels to keep up with rising tuition costs.

WSJ: Families Study Plan B With Possible Stafford-Loan Rate Spike

Italy, where bond yields soared to euro-era record levels, saw its stock market lose 25%.

WSJ: World's Woes Leave Lasting Scars