The presented line chart indicates the annual number of Pizzas, Fish and Chips, and 
Hamburgers
 eaten by Australian adolescents in two and a half decades.
Use synonyms
Overall
, Both Linking Words
Pizza
 and Use synonyms
Hamburgers
 had Use synonyms
an upward trends
 with a gradual increase. Correct the article-noun agreement
an upward trend
upward trends
On the other hand
, Fish and Chips number declined by the end of 2000, and it became the least favourable food compared to the other two.  
Linking Words
At
 the beginning, Change the preposition
In
Pizza
 and Use synonyms
Hamburgers
 started at just above zero, and both gradually increased until the end of the period, and the two reached approximately 80 and 100 respectively. Use synonyms
Pizza
 remained static in the Use synonyms
last
 Linking Words
5-month
.
Correct your spelling
5 months
On the other hand
, Fish and Chips was at its peak at Linking Words
first, 
but it dipped for the next 5 years. It slightly increased around 1980 to 1985, Linking Words
then
 the number declined again throughout the period. Linking Words
Furthermore
, it got outnumbered by Linking Words
Hamburgers
 in 1985, and Use synonyms
Pizza
 in 1990, before Use synonyms
finally
 hitting its all-time low Linking Words
at the end
 of 2000.Linking Words