Spending has increased year on year.

与去年同期比较，开销增加了。

Overall capacity is expected to be flat year on year.

总体库存水平预计与去年同期持平。

Revenue growth dropped to 3% year on year in the second quarter.

今年第二季度，谷歌的收入同比增速已经下滑到了3%。

American raw domestic steel production is down 47% year on year;

美国内粗钢生产量年同比下降了47%。

The chart below shows how M3 has declined almost 6% year on year.

下图表明了M3是如何的在过去几年每年下降几乎6%。