Frequency Table (Histogram)
Bins	Midpoint	Abs. Frequency	Rel. Frequency	Cumul. Rel. Freq.	Density
[1840,1860[	1850	3	0.040541	0.040541	0.002027
[1860,1880[	1870	11	0.148649	0.189189	0.007432
[1880,1900[	1890	5	0.067568	0.256757	0.003378
[1900,1920[	1910	5	0.067568	0.324324	0.003378
[1920,1940[	1930	8	0.108108	0.432432	0.005405
[1940,1960[	1950	13	0.175676	0.608108	0.008784
[1960,1980[	1970	9	0.121622	0.72973	0.006081
[1980,2000[	1990	9	0.121622	0.851351	0.006081
[2000,2020[	2010	7	0.094595	0.945946	0.00473
[2020,2040]	2030	4	0.054054	1	0.002703