Read the graph and answer the following questions: 
(1) Name the sectors mentioned in the graph.
(2) Which sector contributes the highest in National income in India?
(3) How much percent of population is engaged in primary sector in Brazil?
(4) Out of given two countries, the share of primary sector to the national income is less.
(5) Which country's contribution of tertiary sector to the national income is less?
(6) In which sector 19% population of Brazil is engaged?
(1)
Primary Sector (represented by an empty box)
Secondary Sector (represented by a dotted pattern)
Tertiary Sector (represented by a solid black fill)
\[ \text{Primary, Secondary, Tertiary} \] (2) From the graph, the highest contributing sector in India's national income is the: \[ \text{Tertiary Sector} \] (3) From the graph, the percentage of the population engaged in the primary sector in Brazil is approximately: \[ 10\% \] (4) From the graph, the contribution of the Primary Sector to national income is lower in: \[ \text{Brazil} \] (5) From the graph, the Tertiary Sector contributes less to national income in: \[ \text{India} \] (6) From the graph, approximately 19% of Brazil's population is engaged in the: \[ \text{Secondary Sector} \]
With the help of given statistical data, prepare a simple bar graph and answer the following questions: 
What was the percentage of urbanisation in the year 1961?
In which decade was the growth of urbanisation lowest?
What was the percentage of urbanisation in the year 1991?