The given line graph illustrates the amount of older people who spent their leisure time across the five different activity in the USA from 1980 to 2010.
Overall, we can see that all activities rose despite of some fluctuations between 1980 and 2010, except theatre. Especially, hiking witnessed a significant increase and became the most common activity in 2010.
Firstly, it is evident that reading and theatre experienced some fluctuations during the period. Notably, theatre is the second preferable activity (50%), whereas it remained approximately 45%, and became the least at the end of the period. Apart from this, the reading surged modestly from 1980 to 1990 (40% same as the hiking), and decreased sharply before rose dramatically from 20% in 2000 to 60% in 2010.
With regard to other categories (hiking, television, or surfing the Internet), witnessed increase. Especially, the hiking peaked the 80% in 2010. The surfing the Internet and watching TV categories rose modestly from around 5% in 1980 to 16 in 2000 and 60% to 70% respectively. After that, surfing the Internet surged dramatically, whilst television drop modestly, and became the second activity which was chosen by elderly people in the USA.