The graph shows the total number of music album sales, in millions, each year from 1997
through 2009.
Based on the graph, which of the following best
describes the general trend in music album sales
from 1997 through 2009 ?

A) Sales generally increased each year since 1997.
B) Sales generally decreased each year since 1997.
C) Sales increased until 2000 and then generally decreased.
D) Sales generally remained steady from 1997 through 2009.