year by year

year by year

Yearly; on a yearly basis. Our subscriber base has grown year by year, and we're nearly at our target. Year by year I find myself becoming less interested in nightlife and more focused on enjoying the outdoors.
See also: by, year

ˌyear by ˈyear

as the years pass; each year: Year by year their affection for each other grew stronger.
See also: by, year
References in classic literature ?
Year by year, it must and will go back; year by year, the tone of public feeling must sink lower down; year by year, the Congress and the Senate must become of less account before all decent men; and year by year, the memory of the Great Fathers of the Revolution must be outraged more and more, in the bad life of their degenerate child.
It was a class which year by year had been growing more and more strong in England, and which year by year had been making its strength more and more felt.