Frequency Table (Histogram)
Bins	Midpoint	Abs. Frequency	Rel. Frequency	Cumul. Rel. Freq.	Density
[0,20000]	10000	7	0.082353	0.082353	4e-06
]20000,40000]	30000	40	0.470588	0.552941	2.4e-05
]40000,60000]	50000	31	0.364706	0.917647	1.8e-05
]60000,80000]	70000	7	0.082353	1	4e-06