The following table gives the route length (in thousand kilometres) of the Indian Railways in some of the years.
Represent the above data will the help of a bar graph.
Year | 1960-61 | 1970-71 | 1980-81 | 1990-91 | 2000-2001 |
Route length (in thousand km) | 56 | 60 | 61 | 74 | 98 |