The line graph illustrates the 
percentage
 of National recycling rates compared to the total Use synonyms
waste
 across the United States between 1960 and 2011. Use synonyms
Overall
,  the Linking Words
percentage
 of recycling rises slowly, Use synonyms
while
 the quantity of Linking Words
waste
 recovery dramatically increases over the Use synonyms
years
. 
It can be seen between 1960 and 1970 the Use synonyms
waste
 recovery remained almost similar, Use synonyms
however
, it gradually increased during the '70s and 80s with an average of 14 million tonnes. 
In  1985, the line speedily increase from 16.7 million tons of Linking Words
waste
 to 86.9 tons recovered in the Use synonyms
last
 30 Linking Words
years
. 
Use synonyms
On the other hand
, the Linking Words
percentage
 of recycling Use synonyms
waste
 remained stable during the first 15 Use synonyms
years
 and increased by less than 5% between 1975 and 1985. We can observe that compared to the millions of tonnes collected in the United States, the Use synonyms
percentage
 of recycling Use synonyms
waste
 was less  the 30% in the Use synonyms
last
 15 Linking Words
years
.Use synonyms