In what decade did Nik Kershaw have a number of hit songs?

Explanation

Nik Kershaw (b. 1958) is a British singer and songwriter. He had a number of hits in the 1980's, such as "I Won't Let The Sun Go Down on Me" and "Wouldn't It Be Good". Nik Kershaw has been active within songwriting since then, but has not yet experienced the same success as earlier.