Number of different batteries sold by a company over the years

	Types of batteries
Years	4AH	7AH	32AH
1992	75	144	114
1993	90	126	102
1994	96	114	75
1995	105	90	105
1996	90	75	135

• The most sold type of batteries is 32AH
• The least sold type of batteries is 4AH
• The batteries were sold the most at year of 1993