| Frequency Table (Histogram) | |||||
| Bins | Midpoint | Abs. Frequency | Rel. Frequency | Cumul. Rel. Freq. | Density |
| [1850,1900[ | 1875 | 19 | 0.263889 | 0.263889 | 0.005278 |
| [1900,1950[ | 1925 | 22 | 0.305556 | 0.569444 | 0.006111 |
| [1950,2000[ | 1975 | 21 | 0.291667 | 0.861111 | 0.005833 |
| [2000,2050] | 2025 | 10 | 0.138889 | 1 | 0.002778 |
