Total Oil used in the year 1998 =22+1012+1732+104=2870. Therefore, the percentage of total used that is used for House Hold =
27
2870
×100=0.766 Similarly we can calculate for remaining year.
Oil Sales by Type of Use and Production Loss (MT)
Oil Used
% Use of total Oil used for house Hold
Metro City
Suburban
Year
House Hold
Transport
Industrial
1996
10
700
1794
104
0.383435583
1997
16
920
1864
114
0.549073439
1998
22
1012
1732
104
0.766550523
1999
22
1054
1668
90
0.776287932
2000
20
1092
1700
108
0.684931507
2001
22
1320
1752
168
0.674432863
2002
14
1854
1618
172
0.382722799
2003
6
2046
1270
178
0.171428571
2004
16
2118
1480
208
0.41862899
2005
4
2252
1132
230
0.11055832
2006
4
2384
1228
210
0.104547831
2007
8
2096
1672
254
0.198511166
2008
0.2
2240
1646
266
0.004816724
From the table we can see that, in the year 1999 the Oil used for House Hold as a percentage of total Oil Used is highest Hence, option B is the correct answer.