7 ms·
5.4% in 1990 was the highest rate in an almost 40 year stretch. In 1991 it went down to 4.2% and then wasn't above 4% until last year.
by rufus_foreman 4y ago
5.4% in 1990 was the highest rate in an almost 40 year stretch. In 1991 it went down to 4.2% and then wasn't above 4% until last year.