According to statistics, in the early 2000s, what was the trend of traditional family households?

the traditional family household had shown a decrease.
there was no sign of the change in the data on traditional family households.
the amount of traditional family households was equal to that of single-parent family households.
more than half were had children over the age of 18 years of age.
can some one me i honestly don't know i would think it's a