From year to year, pollution problems are becoming more and more serious.

From year to year, pollution is worsening.

In Tokyo, wild birds are decreasing in number year by year.

The population of the town decreases year by year.

My living expense is rising year by year.

Traffic accidents are increasing year by year.

The number of students is decreasing year by year.

The number of Japanese going overseas has been increasing year by year.

According to scientists, the atmosphere is getting warmer year after year.

Visitors to that town increase in number year by year.

The number of visitors to Singapore has increased year by year.

People in these areas are growing hungrier each year.

The population of this city is decreasing every year.

This city has been increasing in population year after year.

According to this magazine, the economic situation in Japan is getting worse year by year.

Alcohol consumption is increasing every year.

The ozone layer continues to be further destroyed every year.