Fix grammar in this sentence: The figures along furniture and equipments shows fluctuation through different years (1981, 1991, and 2001) from 15% to 5% and lastly 23% respectively, whereas the percentage upon insurances shows the lowerst figure beyond spending as mentioned over the chart, the figures increased slightly from 2% in 1981 to 3% in 1991 and then peaked for 8% by 2001.
The figure for furniture and equipment shows fluctuation in the different years (1981, 1991, and 2001), from 15% to 5% and lastly to 23%, whereas the percentage of insurance was the lowest figure for spending shown on the chart; the figure increased slightly from 2% in 1981 to 3% in 1991 and then peaked at 8% in 2001.