ATM machines

This task is about interpreting a time-series graph.
The number of bank branches and ATM's

A bank has closed many of its branches and replaced them with automatic teller machines (ATMs).
The graph above shows the number of branches and the number of ATMs the bank had over the last eight years.
 
Answer the following questions about the graph.
 
a) About how many ATMs were there in 1994? _______________
 
b) About how many branches closed down between 1996 and 1998? _____________
 
c) Finish this statement.

 
Between 1992 and 1996 the number of branches ____________________________, 
 
but between 1996 and 2000 the number of branches _________________________.